Get rid of Trinity Singleton and Threading patterns and replace them with ACE_Singletons and ACE_GUARD_x macro´s with ACE_Thread_Mutex´es respectively.

Also get rid of unused CountedReference class that used Trinity threading pattern.

--HG--
branch : trunk

84 files changed, 324 insertions, 393 deletions

diff --git a/src/server/game/AI/CreatureAISelector.cpp b/src/server/game/AI/CreatureAISelector.cpp
index 79977fab5b1..8283baf87f9 100644
--- a/src/server/game/AI/CreatureAISelector.cpp
+++ b/src/server/game/AI/CreatureAISelector.cpp
@@ -21,22 +21,19 @@
 #include "Creature.h"
 #include "CreatureAISelector.h"
 #include "PassiveAI.h"
-#include "SingletonImp.h"
+
 #include "MovementGenerator.h"
 #include "Pet.h"
 #include "TemporarySummon.h"
 #include "CreatureAIFactory.h"
 #include "ScriptMgr.h"
 
-INSTANTIATE_SINGLETON_1(CreatureAIRegistry);
-INSTANTIATE_SINGLETON_1(MovementGeneratorRegistry);
-
 namespace FactorySelector
 {
     CreatureAI* selectAI(Creature *creature)
     {
         const CreatureAICreator *ai_factory = NULL;
-        CreatureAIRegistry &ai_registry(CreatureAIRepository::Instance());
+        CreatureAIRegistry& ai_registry(*CreatureAIRepository::instance());
 
         if (creature->isPet())
             ai_factory = ai_registry.GetRegistryItem("PetAI");
@@ -106,7 +103,7 @@ namespace FactorySelector
 
     MovementGenerator* selectMovementGenerator(Creature *creature)
     {
-        MovementGeneratorRegistry &mv_registry(MovementGeneratorRepository::Instance());
+        MovementGeneratorRegistry& mv_registry(*MovementGeneratorRepository::instance());
         assert(creature->GetCreatureInfo() != NULL);
         const MovementGeneratorCreator *mv_factory = mv_registry.GetRegistryItem(creature->GetDefaultMovementType());
 
diff --git a/src/server/game/AI/EventAI/CreatureEventAIMgr.cpp b/src/server/game/AI/EventAI/CreatureEventAIMgr.cpp
index 8c71f5e5765..9f4105050ae 100644
--- a/src/server/game/AI/EventAI/CreatureEventAIMgr.cpp
+++ b/src/server/game/AI/EventAI/CreatureEventAIMgr.cpp
@@ -23,13 +23,10 @@
 #include "CreatureEventAIMgr.h"
 #include "ObjectMgr.h"
 #include "ProgressBar.h"
-#include "SingletonImp.h"
 #include "ObjectDefines.h"
 #include "GridDefines.h"
 #include "ConditionMgr.h"
 
-INSTANTIATE_SINGLETON_1(CreatureEventAIMgr);
-
 // -------------------
 void CreatureEventAIMgr::LoadCreatureEventAI_Texts()
 {
diff --git a/src/server/game/AI/EventAI/CreatureEventAIMgr.h b/src/server/game/AI/EventAI/CreatureEventAIMgr.h
index ef191b22463..3c8181e9e74 100644
--- a/src/server/game/AI/EventAI/CreatureEventAIMgr.h
+++ b/src/server/game/AI/EventAI/CreatureEventAIMgr.h
@@ -24,8 +24,9 @@
 
 class CreatureEventAIMgr
 {
+    friend class ACE_Singleton<CreatureEventAIMgr, ACE_Null_Mutex>;
+    CreatureEventAIMgr(){};
     public:
-        CreatureEventAIMgr(){};
         ~CreatureEventAIMgr(){};
 
         void LoadCreatureEventAI_Texts();
@@ -42,5 +43,5 @@ class CreatureEventAIMgr
         CreatureEventAI_TextMap    m_CreatureEventAI_TextMap;
 };
 
-#define CreatureEAI_Mgr Trinity::Singleton<CreatureEventAIMgr>::Instance()
+#define CreatureEAI_Mgr (*ACE_Singleton<CreatureEventAIMgr, ACE_Null_Mutex>::instance())
 #endif
diff --git a/src/server/game/Accounts/AccountMgr.cpp b/src/server/game/Accounts/AccountMgr.cpp
index 18372677120..54f80114131 100644
--- a/src/server/game/Accounts/AccountMgr.cpp
+++ b/src/server/game/Accounts/AccountMgr.cpp
@@ -19,7 +19,7 @@
  */
 
 #include "DatabaseEnv.h"
-#include "SingletonImp.h"
+
 
 #include "AccountMgr.h"
 #include "ObjectAccessor.h"
@@ -29,8 +29,6 @@
 
 extern DatabaseType LoginDatabase;
 
-INSTANTIATE_SINGLETON_1(AccountMgr);
-
 AccountMgr::AccountMgr()
 {}
 
diff --git a/src/server/game/Accounts/AccountMgr.h b/src/server/game/Accounts/AccountMgr.h
index f770e24d902..a0e181cf4a0 100644
--- a/src/server/game/Accounts/AccountMgr.h
+++ b/src/server/game/Accounts/AccountMgr.h
@@ -24,7 +24,6 @@
 #include <string>
 
 #include "Common.h"
-#include "Singleton.h"
 
 enum AccountOpResult
 {
@@ -59,6 +58,6 @@ class AccountMgr
         static bool normalizeString(std::string& utf8str);
 };
 
-#define accmgr Trinity::Singleton<AccountMgr>::Instance()
+#define accmgr (*ACE_Singleton<AccountMgr, ACE_Null_Mutex>::instance())
 #endif
 
diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index 41b9acfff2c..137c22634fa 100644
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -22,7 +22,7 @@
 #include "World.h"
 #include "WorldPacket.h"
 #include "DatabaseEnv.h"
-#include "SingletonImp.h"
+
 
 #include "AchievementMgr.h"
 #include "ArenaTeam.h"
@@ -41,8 +41,6 @@
 #include "Map.h"
 #include "InstanceData.h"
 
-INSTANTIATE_SINGLETON_1(AchievementGlobalMgr);
-
 namespace Trinity
 {
     class AchievementChatBuilder
@@ -965,7 +963,7 @@ void AchievementMgr::UpdateAchievementCriteria(AchievementCriteriaTypes type, ui
                 if (!miscvalue1)
                     continue;
 
-                Map const* map = GetPlayer()->IsInWorld() ? GetPlayer()->GetMap() : MapManager::Instance().FindMap(GetPlayer()->GetMapId(), GetPlayer()->GetInstanceId());
+                Map const* map = GetPlayer()->IsInWorld() ? GetPlayer()->GetMap() : sMapMgr.FindMap(GetPlayer()->GetMapId(), GetPlayer()->GetInstanceId());
                 if (!map || !map->IsDungeon())
                     continue;
 
diff --git a/src/server/game/Achievements/AchievementMgr.h b/src/server/game/Achievements/AchievementMgr.h
index 97dbc86396e..0eedf971c20 100644
--- a/src/server/game/Achievements/AchievementMgr.h
+++ b/src/server/game/Achievements/AchievementMgr.h
@@ -22,7 +22,7 @@
 #include <string>
 
 #include "Common.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "DatabaseEnv.h"
 #include "DBCEnums.h"
 #include "DBCStores.h"
@@ -342,6 +342,6 @@ class AchievementGlobalMgr
         AchievementRewardLocales m_achievementRewardLocales;
 };
 
-#define achievementmgr Trinity::Singleton<AchievementGlobalMgr>::Instance()
+#define achievementmgr (*ACE_Singleton<AchievementGlobalMgr, ACE_Null_Mutex>::instance())
 
 #endif
diff --git a/src/server/game/Addons/AddonMgr.cpp b/src/server/game/Addons/AddonMgr.cpp
index b7b1d2e9333..9bc28f845ac 100644
--- a/src/server/game/Addons/AddonMgr.cpp
+++ b/src/server/game/Addons/AddonMgr.cpp
@@ -19,7 +19,7 @@
  */
 
 #include "DatabaseEnv.h"
-#include "SingletonImp.h"
+
 
 #include "AddonMgr.h"
 #include "ObjectAccessor.h"
@@ -30,8 +30,6 @@
 
 extern DatabaseType LoginDatabase;
 
-INSTANTIATE_SINGLETON_1(AddonMgr);
-
 AddonMgr::AddonMgr()
 {
 }
diff --git a/src/server/game/Addons/AddonMgr.h b/src/server/game/Addons/AddonMgr.h
index 0d648794416..90232cc3f2b 100644
--- a/src/server/game/Addons/AddonMgr.h
+++ b/src/server/game/Addons/AddonMgr.h
@@ -22,7 +22,7 @@
 #define _ADDONMGR_H
 
 #include "Common.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 #include <string>
 
@@ -68,9 +68,10 @@ typedef std::list<SavedAddon> SavedAddonsList;
 
 class AddonMgr
 {
+    friend class ACE_Singleton<AddonMgr, ACE_Null_Mutex>;
+    AddonMgr();
     public:
 
-        AddonMgr();
         ~AddonMgr();
 
         void LoadFromDB();
@@ -83,7 +84,7 @@ class AddonMgr
         SavedAddonsList m_knownAddons;                           // Known addons.
 };
 
-#define sAddonMgr Trinity::Singleton<AddonMgr>::Instance()
+#define sAddonMgr (*ACE_Singleton<AddonMgr, ACE_Null_Mutex>::instance())
 
 #endif
 
diff --git a/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.cpp b/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.cpp
index e9cf8f21ab2..ce621e689cd 100644
--- a/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.cpp
+++ b/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.cpp
@@ -3,8 +3,7 @@
 #include "AuctionHouseBot.h"
 #include <vector>
 
-#include "SingletonImp.h"
-INSTANTIATE_SINGLETON_1(AuctionHouseBot);
+
 
 using namespace std;
 vector<uint32> npcItems;
@@ -693,7 +692,7 @@ void AuctionHouseBot::Update()
     WorldSession _session(AHBplayerAccount, NULL, SEC_PLAYER, true, 0, LOCALE_enUS);
     Player _AHBplayer(&_session);
     _AHBplayer.Initialize(AHBplayerGUID);
-    ObjectAccessor::Instance().AddObject(&_AHBplayer);
+    sObjectAccessor.AddObject(&_AHBplayer);
 
     // Add New Bids
     if (!sWorld.getConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_AUCTION))
@@ -725,7 +724,7 @@ void AuctionHouseBot::Update()
         addNewAuctionBuyerBotBid(&_AHBplayer, &NeutralConfig, &_session);
         _lastrun_n = _newrun;
     }
-    ObjectAccessor::Instance().RemoveObject(&_AHBplayer);
+    sObjectAccessor.RemoveObject(&_AHBplayer);
 }
 
 void AuctionHouseBot::Initialize()
diff --git a/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.h b/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.h
index f29a8762513..853955a43a0 100644
--- a/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.h
+++ b/src/server/game/AuctionHouse/AuctionHouseBot/AuctionHouseBot.h
@@ -1207,9 +1207,11 @@ private:
     inline uint32 minValue(uint32 a, uint32 b) { return a <= b ? a : b; };
     void addNewAuctions(Player *AHBplayer, AHBConfig *config);
     void addNewAuctionBuyerBotBid(Player *AHBplayer, AHBConfig *config, WorldSession *session);
+    
+    friend class ACE_Singleton<AuctionHouseBot, ACE_Null_Mutex>;
+    AuctionHouseBot();
 
 public:
-    AuctionHouseBot();
     ~AuctionHouseBot();
     void Update();
     void Initialize();
@@ -1220,6 +1222,6 @@ public:
     uint32 GetAHBplayerGUID() { return AHBplayerGUID; };
 };
 
-#define auctionbot Trinity::Singleton<AuctionHouseBot>::Instance()
+#define auctionbot (*ACE_Singleton<AuctionHouseBot, ACE_Null_Mutex>::instance())
 
 #endif
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
index 744df2cb6e7..38874336cc4 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
@@ -24,7 +24,7 @@
 #include "WorldSession.h"
 #include "DatabaseEnv.h"
 #include "SQLStorage.h"
-#include "SingletonImp.h"
+
 #include "DBCStores.h"
 
 #include "AccountMgr.h"
@@ -35,8 +35,6 @@
 #include "ProgressBar.h"
 #include <vector>
 
-INSTANTIATE_SINGLETON_1(AuctionHouseMgr);
-
 using namespace std;
 
 AuctionHouseMgr::AuctionHouseMgr()
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.h b/src/server/game/AuctionHouse/AuctionHouseMgr.h
index 7048e419c36..f0eda8f4fc4 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.h
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.h
@@ -21,7 +21,7 @@
 #ifndef _AUCTION_HOUSE_MGR_H
 #define _AUCTION_HOUSE_MGR_H
 
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 #include "SharedDefines.h"
 
@@ -121,51 +121,53 @@ class AuctionHouseObject
 
 class AuctionHouseMgr
 {
-  public:
+    friend class ACE_Singleton<AuctionHouseMgr, ACE_Null_Mutex>;
     AuctionHouseMgr();
-    ~AuctionHouseMgr();
+    
+    public:
+        ~AuctionHouseMgr();
 
-    typedef UNORDERED_MAP<uint32, Item*> ItemMap;
+        typedef UNORDERED_MAP<uint32, Item*> ItemMap;
 
-    AuctionHouseObject* GetAuctionsMap(uint32 factionTemplateId);
-    AuctionHouseObject* GetBidsMap(uint32 factionTemplateId);
+        AuctionHouseObject* GetAuctionsMap(uint32 factionTemplateId);
+        AuctionHouseObject* GetBidsMap(uint32 factionTemplateId);
 
-    Item* GetAItem(uint32 id)
-    {
-        ItemMap::const_iterator itr = mAitems.find(id);
-        if (itr != mAitems.end())
+        Item* GetAItem(uint32 id)
         {
-            return itr->second;
+            ItemMap::const_iterator itr = mAitems.find(id);
+            if (itr != mAitems.end())
+            {
+                return itr->second;
+            }
+            return NULL;
         }
-        return NULL;
-    }
 
-    //auction messages
-    void SendAuctionWonMail(AuctionEntry * auction);
-    void SendAuctionSalePendingMail(AuctionEntry * auction);
-    void SendAuctionSuccessfulMail(AuctionEntry * auction);
-    void SendAuctionExpiredMail(AuctionEntry * auction);
-    static uint32 GetAuctionDeposit(AuctionHouseEntry const* entry, uint32 time, Item *pItem);
-    static AuctionHouseEntry const* GetAuctionHouseEntry(uint32 factionTemplateId);
+        //auction messages
+        void SendAuctionWonMail(AuctionEntry * auction);
+        void SendAuctionSalePendingMail(AuctionEntry * auction);
+        void SendAuctionSuccessfulMail(AuctionEntry * auction);
+        void SendAuctionExpiredMail(AuctionEntry * auction);
+        static uint32 GetAuctionDeposit(AuctionHouseEntry const* entry, uint32 time, Item *pItem);
+        static AuctionHouseEntry const* GetAuctionHouseEntry(uint32 factionTemplateId);
 
-  public:
+    public:
     //load first auction items, because of check if item exists, when loading
-    void LoadAuctionItems();
-    void LoadAuctions();
+        void LoadAuctionItems();
+        void LoadAuctions();
 
-    void AddAItem(Item* it);
-    bool RemoveAItem(uint32 id);
+        void AddAItem(Item* it);
+        bool RemoveAItem(uint32 id);
 
-    void Update();
+        void Update();
 
-  private:
-    AuctionHouseObject mHordeAuctions;
-    AuctionHouseObject mAllianceAuctions;
-    AuctionHouseObject mNeutralAuctions;
+    private:
+        AuctionHouseObject mHordeAuctions;
+        AuctionHouseObject mAllianceAuctions;
+        AuctionHouseObject mNeutralAuctions;
 
-    ItemMap mAitems;
+        ItemMap mAitems;
 };
 
-#define auctionmgr Trinity::Singleton<AuctionHouseMgr>::Instance()
+#define auctionmgr (*ACE_Singleton<AuctionHouseMgr, ACE_Null_Mutex>::instance())
 
 #endif
diff --git a/src/server/game/BattleGrounds/BattleGround.cpp b/src/server/game/BattleGrounds/BattleGround.cpp
index 591417c8fea..86125ac5bfe 100644
--- a/src/server/game/BattleGrounds/BattleGround.cpp
+++ b/src/server/game/BattleGrounds/BattleGround.cpp
@@ -323,7 +323,7 @@ void BattleGround::Update(uint32 diff)
             plr->ResurrectPlayer(1.0f);
             plr->CastSpell(plr, 6962, true);
             plr->CastSpell(plr, SPELL_SPIRIT_HEAL_MANA, true);
-            ObjectAccessor::Instance().ConvertCorpseForPlayer(*itr);
+            sObjectAccessor.ConvertCorpseForPlayer(*itr);
         }
         m_ResurrectQueue.clear();
     }
@@ -1525,7 +1525,7 @@ Creature* BattleGround::AddCreature(uint32 entry, uint32 type, uint32 teamval, f
 /*
 void BattleGround::SpawnBGCreature(uint32 type, uint32 respawntime)
 {
-    Map * map = MapManager::Instance().FindMap(GetMapId(),GetInstanceId());
+    Map * map = sMapMgr.FindMap(GetMapId(),GetInstanceId());
     if (!map)
         return false;
 
diff --git a/src/server/game/BattleGrounds/BattleGroundMgr.cpp b/src/server/game/BattleGrounds/BattleGroundMgr.cpp
index ea2d0c2f920..84891dcf2df 100644
--- a/src/server/game/BattleGrounds/BattleGroundMgr.cpp
+++ b/src/server/game/BattleGrounds/BattleGroundMgr.cpp
@@ -22,7 +22,7 @@
 #include "ObjectMgr.h"
 #include "World.h"
 #include "WorldPacket.h"
-#include "SingletonImp.h"
+
 
 #include "ArenaTeam.h"
 #include "BattleGroundMgr.h"
@@ -49,8 +49,6 @@
 #include "SharedDefines.h"
 #include "Formulas.h"
 
-INSTANTIATE_SINGLETON_1(BattleGroundMgr);
-
 /*********************************************************/
 /***            BATTLEGROUND QUEUE SYSTEM              ***/
 /*********************************************************/
@@ -1630,7 +1628,7 @@ BattleGround * BattleGroundMgr::CreateNewBattleGround(BattleGroundTypeId bgTypeI
     }
 
     // generate a new instance id
-    bg->SetInstanceID(MapManager::Instance().GenerateInstanceId()); // set instance id
+    bg->SetInstanceID(sMapMgr.GenerateInstanceId()); // set instance id
     bg->SetClientInstanceID(CreateClientVisibleInstanceId(isRandom ? BATTLEGROUND_RB : bgTypeId, bracketEntry->GetBracketId()));
 
     // reset the new bg (set status to status_wait_queue from status_none)
diff --git a/src/server/game/BattleGrounds/BattleGroundMgr.h b/src/server/game/BattleGrounds/BattleGroundMgr.h
index 5319ce85752..40dfc39b5e5 100644
--- a/src/server/game/BattleGrounds/BattleGroundMgr.h
+++ b/src/server/game/BattleGrounds/BattleGroundMgr.h
@@ -22,7 +22,7 @@
 #define __BATTLEGROUNDMGR_H
 
 #include "Common.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 #include "DBCEnums.h"
 #include "BattleGround.h"
@@ -180,9 +180,12 @@ class BGQueueRemoveEvent : public BasicEvent
 
 class BattleGroundMgr
 {
+    /// Todo: Thread safety?
+    /* Construction */
+    friend class ACE_Singleton<BattleGroundMgr, ACE_Null_Mutex>;
+    BattleGroundMgr();
+    
     public:
-        /* Construction */
-        BattleGroundMgr();
         ~BattleGroundMgr();
         void Update(uint32 diff);
 
@@ -271,6 +274,6 @@ class BattleGroundMgr
         bool   m_Testing;
 };
 
-#define sBattleGroundMgr Trinity::Singleton<BattleGroundMgr>::Instance()
+#define sBattleGroundMgr (*ACE_Singleton<BattleGroundMgr, ACE_Null_Mutex>::instance())
 #endif
 
diff --git a/src/server/game/Chat/Channels/ChannelMgr.cpp b/src/server/game/Chat/Channels/ChannelMgr.cpp
index b26a42aa2b1..b72a2698d3a 100644
--- a/src/server/game/Chat/Channels/ChannelMgr.cpp
+++ b/src/server/game/Chat/Channels/ChannelMgr.cpp
@@ -17,21 +17,18 @@
  */
 
 #include "ChannelMgr.h"
-#include "SingletonImp.h"
-#include "World.h"
 
-INSTANTIATE_SINGLETON_1(AllianceChannelMgr);
-INSTANTIATE_SINGLETON_1(HordeChannelMgr);
+#include "World.h"
 
 ChannelMgr* channelMgr(uint32 team)
 {
     if (sWorld.getConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_CHANNEL))
-        return &Trinity::Singleton<AllianceChannelMgr>::Instance();        // cross-faction
+        return ACE_Singleton<AllianceChannelMgr, ACE_Null_Mutex>::instance();        // cross-faction
 
     if (team == ALLIANCE)
-        return &Trinity::Singleton<AllianceChannelMgr>::Instance();
+        return ACE_Singleton<AllianceChannelMgr, ACE_Null_Mutex>::instance();
     if (team == HORDE)
-        return &Trinity::Singleton<HordeChannelMgr>::Instance();
+        return ACE_Singleton<HordeChannelMgr, ACE_Null_Mutex>::instance();
 
     return NULL;
 }
diff --git a/src/server/game/Chat/Channels/ChannelMgr.h b/src/server/game/Chat/Channels/ChannelMgr.h
index 1997eb76108..c4e872de6b6 100644
--- a/src/server/game/Chat/Channels/ChannelMgr.h
+++ b/src/server/game/Chat/Channels/ChannelMgr.h
@@ -22,7 +22,7 @@
 
 #include "Common.h"
 #include "Channel.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 #include <map>
 #include <string>
diff --git a/src/server/game/Chat/Commands/Level0.cpp b/src/server/game/Chat/Commands/Level0.cpp
index bed8e3ee23f..53f2341c5af 100644
--- a/src/server/game/Chat/Commands/Level0.cpp
+++ b/src/server/game/Chat/Commands/Level0.cpp
@@ -165,8 +165,8 @@ bool ChatHandler::HandleGMListIngameCommand(const char* /*args*/)
 {
     bool first = true;
 
-    ObjectAccessor::Guard guard(*HashMapHolder<Player>::GetLock());
-    HashMapHolder<Player>::MapType &m = ObjectAccessor::Instance().GetPlayers();
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, *HashMapHolder<Player>::GetLock(), true);
+    HashMapHolder<Player>::MapType &m = sObjectAccessor.GetPlayers();
     for (HashMapHolder<Player>::MapType::const_iterator itr = m.begin(); itr != m.end(); ++itr)
     {
         AccountTypes itr_sec = itr->second->GetSession()->GetSecurity();
diff --git a/src/server/game/Chat/Commands/Level1.cpp b/src/server/game/Chat/Commands/Level1.cpp
index a9f1e7d9c15..771339645fe 100644
--- a/src/server/game/Chat/Commands/Level1.cpp
+++ b/src/server/game/Chat/Commands/Level1.cpp
@@ -2381,7 +2381,7 @@ bool ChatHandler::HandleWhispersCommand(const char* args)
 //Save all players in the world
 bool ChatHandler::HandleSaveAllCommand(const char* /*args*/)
 {
-    ObjectAccessor::Instance().SaveAllPlayers();
+    sObjectAccessor.SaveAllPlayers();
     SendSysMessage(LANG_PLAYERS_SAVED);
     return true;
 }
@@ -2502,7 +2502,7 @@ bool ChatHandler::HandleTeleNameCommand(const char * args)
 
         PSendSysMessage(LANG_TELEPORTING_TO, nameLink.c_str(), GetTrinityString(LANG_OFFLINE), tele->name.c_str());
         Player::SavePositionInDB(tele->mapId,tele->position_x,tele->position_y,tele->position_z,tele->orientation,
-            MapManager::Instance().GetZoneId(tele->mapId,tele->position_x,tele->position_y,tele->position_z),target_guid);
+            sMapMgr.GetZoneId(tele->mapId,tele->position_x,tele->position_y,tele->position_z),target_guid);
     }
 
     return true;
@@ -2768,7 +2768,7 @@ bool ChatHandler::HandleGoXYCommand(const char* args)
     else
         _player->SaveRecallPosition();
 
-    Map const *map = MapManager::Instance().CreateBaseMap(mapid);
+    Map const *map = sMapMgr.CreateBaseMap(mapid);
     float z = std::max(map->GetHeight(x, y, MAX_HEIGHT), map->GetWaterLevel(x, y));
 
     _player->TeleportTo(mapid, x, y, z, _player->GetOrientation());
@@ -2861,7 +2861,7 @@ bool ChatHandler::HandleGoZoneXYCommand(const char* args)
     // update to parent zone if exist (client map show only zones without parents)
     AreaTableEntry const* zoneEntry = areaEntry->zone ? GetAreaEntryByAreaID(areaEntry->zone) : areaEntry;
 
-    Map const *map = MapManager::Instance().CreateBaseMap(zoneEntry->mapid);
+    Map const *map = sMapMgr.CreateBaseMap(zoneEntry->mapid);
 
     if (map->Instanceable())
     {
@@ -2936,7 +2936,7 @@ bool ChatHandler::HandleGoGridCommand(const char* args)
     else
         _player->SaveRecallPosition();
 
-    Map const *map = MapManager::Instance().CreateBaseMap(mapid);
+    Map const *map = sMapMgr.CreateBaseMap(mapid);
     float z = std::max(map->GetHeight(x, y, MAX_HEIGHT), map->GetWaterLevel(x, y));
     _player->TeleportTo(mapid, x, y, z, _player->GetOrientation());
 
diff --git a/src/server/game/Chat/Commands/Level2.cpp b/src/server/game/Chat/Commands/Level2.cpp
index 5d67ec06660..90c7d5ef8ae 100644
--- a/src/server/game/Chat/Commands/Level2.cpp
+++ b/src/server/game/Chat/Commands/Level2.cpp
@@ -2844,7 +2844,7 @@ bool ChatHandler::HandleWpModifyCommand(const char* args)
                 // To call _LoadGoods(); _LoadQuests(); CreateTrainerSpells();
                 wpCreature2->LoadFromDB(wpCreature2->GetDBTableGUIDLow(), map);
                 map->Add(wpCreature2);
-                //MapManager::Instance().GetMap(npcCreature->GetMapId())->Add(wpCreature2);
+                //sMapMgr.GetMap(npcCreature->GetMapId())->Add(wpCreature2);
             }
 
             WorldDatabase.PExecuteLog("UPDATE waypoint_data SET position_x = '%f',position_y = '%f',position_z = '%f' where id = '%u' AND point='%u'",
diff --git a/src/server/game/Chat/Commands/Level3.cpp b/src/server/game/Chat/Commands/Level3.cpp
index 009a4483f83..3ddf9b84365 100644
--- a/src/server/game/Chat/Commands/Level3.cpp
+++ b/src/server/game/Chat/Commands/Level3.cpp
@@ -689,7 +689,7 @@ bool ChatHandler::HandleReloadConfigCommand(const char* /*args*/)
 {
     sLog.outString("Re-Loading config settings...");
     sWorld.LoadConfigSettings(true);
-    MapManager::Instance().InitializeVisibilityDistanceInfo();
+    sMapMgr.InitializeVisibilityDistanceInfo();
     SendGlobalGMSysMessage("World config settings reloaded.");
     return true;
 }
@@ -4513,7 +4513,7 @@ bool ChatHandler::HandleReviveCommand(const char *args)
     }
     else
         // will resurrected at login without corpse
-        ObjectAccessor::Instance().ConvertCorpseForPlayer(target_guid);
+        sObjectAccessor.ConvertCorpseForPlayer(target_guid);
 
     return true;
 }
@@ -5533,8 +5533,8 @@ bool ChatHandler::HandleResetAllCommand(const char * args)
 
     CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '%u' WHERE (at_login & '%u') = '0'",atLogin,atLogin);
 
-    ObjectAccessor::Guard guard(*HashMapHolder<Player>::GetLock());
-    HashMapHolder<Player>::MapType const& plist = ObjectAccessor::Instance().GetPlayers();
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, *HashMapHolder<Player>::GetLock(), true);
+    HashMapHolder<Player>::MapType const& plist = sObjectAccessor.GetPlayers();
     for (HashMapHolder<Player>::MapType::const_iterator itr = plist.begin(); itr != plist.end(); ++itr)
         itr->second->SetAtLoginFlag(atLogin);
 
@@ -7020,8 +7020,8 @@ bool ChatHandler::HandleInstanceUnbindCommand(const char *args)
 
 bool ChatHandler::HandleInstanceStatsCommand(const char* /*args*/)
 {
-    PSendSysMessage("instances loaded: %d", MapManager::Instance().GetNumInstances());
-    PSendSysMessage("players in instances: %d", MapManager::Instance().GetNumPlayersInInstances());
+    PSendSysMessage("instances loaded: %d", sMapMgr.GetNumInstances());
+    PSendSysMessage("players in instances: %d", sMapMgr.GetNumPlayersInInstances());
     PSendSysMessage("instance saves: %d", sInstanceSaveManager.GetNumInstanceSaves());
     PSendSysMessage("players bound: %d", sInstanceSaveManager.GetNumBoundPlayersTotal());
     PSendSysMessage("groups bound: %d", sInstanceSaveManager.GetNumBoundGroupsTotal());
diff --git a/src/server/game/Conditions/ConditionMgr.cpp b/src/server/game/Conditions/ConditionMgr.cpp
index cb35d35c63f..2e81aad1859 100644
--- a/src/server/game/Conditions/ConditionMgr.cpp
+++ b/src/server/game/Conditions/ConditionMgr.cpp
@@ -19,7 +19,7 @@
  */
 
 
-#include "SingletonImp.h"
+
 #include "Player.h"
 #include "SpellAuras.h"
 #include "SpellMgr.h"
@@ -29,8 +29,6 @@
 #include "InstanceData.h"
 #include "ConditionMgr.h"
 
-INSTANTIATE_SINGLETON_1(ConditionMgr);
-
 // Checks if player meets the condition
 // Can have CONDITION_SOURCE_TYPE_NONE && !mReferenceId if called from a special event (ie: eventAI)
 bool Condition::Meets(Player * player, Unit* targetOverride)
diff --git a/src/server/game/Conditions/ConditionMgr.h b/src/server/game/Conditions/ConditionMgr.h
index 2c7c44ecf7f..bb9fc2708fa 100644
--- a/src/server/game/Conditions/ConditionMgr.h
+++ b/src/server/game/Conditions/ConditionMgr.h
@@ -121,8 +121,10 @@ typedef std::map<uint32, ConditionList > ConditionReferenceMap;//only used for r
 
 class ConditionMgr
 {
+    friend class ACE_Singleton<ConditionMgr, ACE_Null_Mutex>;
+    ConditionMgr();
+    
     public:
-        ConditionMgr();
         ~ConditionMgr();
 
         void LoadConditions(bool isReload = false);
@@ -165,6 +167,6 @@ class ConditionMgr
         std::list<Condition*> m_AllocatedMemory; // some garbage collection :)
 };
 
-#define sConditionMgr Trinity::Singleton<ConditionMgr>::Instance()
+#define sConditionMgr (*ACE_Singleton<ConditionMgr, ACE_Null_Mutex>::instance())
 
 #endif
diff --git a/src/server/game/DataStores/DBCStores.cpp b/src/server/game/DataStores/DBCStores.cpp
index dc5a5b831fd..bc127cb309c 100755
--- a/src/server/game/DataStores/DBCStores.cpp
+++ b/src/server/game/DataStores/DBCStores.cpp
@@ -19,7 +19,7 @@
  */
 
 #include "DBCStores.h"
-#include "SingletonImp.h"
+
 #include "Logging/Log.h"
 #include "ProgressBar.h"
 #include "SharedDefines.h"
diff --git a/src/server/game/DungeonFinding/LFGMgr.cpp b/src/server/game/DungeonFinding/LFGMgr.cpp
index 1a2c9c9767c..6c089a83bc3 100644
--- a/src/server/game/DungeonFinding/LFGMgr.cpp
+++ b/src/server/game/DungeonFinding/LFGMgr.cpp
@@ -15,7 +15,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
-#include "SingletonImp.h"
+
 #include "Common.h"
 #include "SharedDefines.h"
 #include "Group.h"
@@ -24,8 +24,6 @@
 #include "ObjectMgr.h"
 #include "WorldPacket.h"
 
-INSTANTIATE_SINGLETON_1(LFGMgr);
-
 /*********************************************************/
 /***                    LFG QUEUES                     ***/
 /*********************************************************/
diff --git a/src/server/game/DungeonFinding/LFGMgr.h b/src/server/game/DungeonFinding/LFGMgr.h
index a3d6fedc695..88d33743fa9 100644
--- a/src/server/game/DungeonFinding/LFGMgr.h
+++ b/src/server/game/DungeonFinding/LFGMgr.h
@@ -20,7 +20,7 @@
 #define _LFGMGR_H
 
 #include "Common.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "Group.h"
 #include "LFG.h"
 
@@ -237,43 +237,44 @@ typedef std::map<uint8, LFGQueue *> LFGQueueMap;
 
 class LFGMgr
 {
-public:
+    friend class ACE_Singleton<LFGMgr, ACE_Null_Mutex>;
     LFGMgr();
-    ~LFGMgr();
+    public:
+       ~LFGMgr();
 
-    void InitLFG();
-    void SendLfgPlayerInfo(Player *plr);
-    void SendLfgPartyInfo(Player *plr);
-    void Join(Player *plr);
-    void Leave(Player *plr, Group *grp = NULL);
-    void UpdateRoleCheck(Group *grp, Player *plr = NULL);
-    void Update(uint32 diff);
+        void InitLFG();
+        void SendLfgPlayerInfo(Player *plr);
+        void SendLfgPartyInfo(Player *plr);
+        void Join(Player *plr);
+        void Leave(Player *plr, Group *grp = NULL);
+        void UpdateRoleCheck(Group *grp, Player *plr = NULL);
+        void Update(uint32 diff);
 
-private:
-    void BuildLfgRoleCheck(WorldPacket &data, LfgRoleCheck *pRoleCheck);
-    void BuildAvailableRandomDungeonList(WorldPacket &data, Player *plr);
-    void BuildRewardBlock(WorldPacket &data, uint32 dungeon, Player *plr);
-    void BuildPlayerLockDungeonBlock(WorldPacket &data, LfgLockStatusSet *lockSet);
-    void BuildPartyLockDungeonBlock(WorldPacket &data, LfgLockStatusMap *lockMap);
-    bool CheckGroupRoles(LfgRolesMap &groles, bool removeLeaderFlag = true);
+    private:
+        void BuildLfgRoleCheck(WorldPacket &data, LfgRoleCheck *pRoleCheck);
+        void BuildAvailableRandomDungeonList(WorldPacket &data, Player *plr);
+        void BuildRewardBlock(WorldPacket &data, uint32 dungeon, Player *plr);
+        void BuildPlayerLockDungeonBlock(WorldPacket &data, LfgLockStatusSet *lockSet);
+        void BuildPartyLockDungeonBlock(WorldPacket &data, LfgLockStatusMap *lockMap);
+        bool CheckGroupRoles(LfgRolesMap &groles, bool removeLeaderFlag = true);
 
-    LfgLockStatusMap* GetPartyLockStatusDungeons(Player *plr, LfgDungeonSet *dungeons);
-    LfgLockStatusSet* GetPlayerLockStatusDungeons(Player *plr, LfgDungeonSet *dungeons);
-    LfgDungeonSet* GetRandomDungeons(uint8 level, uint8 expansion);
-    LfgDungeonSet* GetDungeonsByRandom(uint32 randomdungeon);
-    LfgDungeonSet* GetAllDungeons();
-    LfgReward* GetRandomDungeonReward(uint32 dungeon, bool done, uint8 level);
-    uint8 GetDungeonGroupType(uint32 dungeon);
+        LfgLockStatusMap* GetPartyLockStatusDungeons(Player *plr, LfgDungeonSet *dungeons);
+        LfgLockStatusSet* GetPlayerLockStatusDungeons(Player *plr, LfgDungeonSet *dungeons);
+        LfgDungeonSet* GetRandomDungeons(uint8 level, uint8 expansion);
+        LfgDungeonSet* GetDungeonsByRandom(uint32 randomdungeon);
+        LfgDungeonSet* GetAllDungeons();
+        LfgReward* GetRandomDungeonReward(uint32 dungeon, bool done, uint8 level);
+        uint8 GetDungeonGroupType(uint32 dungeon);
 
-    LfgRewardList m_RewardList;
-    LfgRewardList m_RewardDoneList;
-    LfgDungeonMap m_DungeonsMap;
+        LfgRewardList m_RewardList;
+        LfgRewardList m_RewardDoneList;
+        LfgDungeonMap m_DungeonsMap;
 
-    LFGQueueMap m_Queues;
-    LfgRoleCheckMap m_RoleChecks;
-    uint32 m_QueueTimer;
-    bool m_update;
+        LFGQueueMap m_Queues;
+        LfgRoleCheckMap m_RoleChecks;
+        uint32 m_QueueTimer;
+        bool m_update;
 };
 
-#define sLFGMgr Trinity::Singleton<LFGMgr>::Instance()
+#define sLFGMgr (*ACE_Singleton<LFGMgr, ACE_Null_Mutex>::instance())
 #endif
diff --git a/src/server/game/Entities/Corpse/Corpse.cpp b/src/server/game/Entities/Corpse/Corpse.cpp
index 6d9e11104ab..2811cfa129f 100644
--- a/src/server/game/Entities/Corpse/Corpse.cpp
+++ b/src/server/game/Entities/Corpse/Corpse.cpp
@@ -54,7 +54,7 @@ void Corpse::AddToWorld()
 {
     ///- Register the corpse for guid lookup
     if (!IsInWorld())
-        ObjectAccessor::Instance().AddObject(this);
+        sObjectAccessor.AddObject(this);
 
     Object::AddToWorld();
 }
@@ -63,7 +63,7 @@ void Corpse::RemoveFromWorld()
 {
     ///- Remove the corpse from the accessor
     if (IsInWorld())
-        ObjectAccessor::Instance().RemoveObject(this);
+        sObjectAccessor.RemoveObject(this);
 
     Object::RemoveFromWorld();
 }
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 62300e43a39..6570a418be9 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -49,7 +49,7 @@
 #include "Vehicle.h"
 #include "SpellAuraEffects.h"
 // apply implementation of the singletons
-#include "SingletonImp.h"
+
 
 TrainerSpell const* TrainerSpellData::Find(uint32 spell_id) const
 {
@@ -185,7 +185,7 @@ void Creature::AddToWorld()
     {
         if (m_zoneScript)
             m_zoneScript->OnCreatureCreate(this, true);
-        ObjectAccessor::Instance().AddObject(this);
+        sObjectAccessor.AddObject(this);
         Unit::AddToWorld();
         SearchFormation();
         AIM_Initialize();
@@ -203,7 +203,7 @@ void Creature::RemoveFromWorld()
         if (m_formation)
             formation_mgr.RemoveCreatureFromGroup(m_formation, this);
         Unit::RemoveFromWorld();
-        ObjectAccessor::Instance().RemoveObject(this);
+        sObjectAccessor.RemoveObject(this);
     }
 }
 
@@ -2410,7 +2410,7 @@ time_t Creature::GetLinkedCreatureRespawnTime() const
             if (data->mapid == GetMapId())   // look up on the same map
                 targetMap = GetMap();
             else                            // it shouldn't be instanceable map here
-                targetMap = MapManager::Instance().FindMap(data->mapid);
+                targetMap = sMapMgr.FindMap(data->mapid);
         }
         if (targetMap)
             return objmgr.GetCreatureRespawnTime(targetGuid,targetMap->GetInstanceId());
diff --git a/src/server/game/Entities/Creature/Creature.h b/src/server/game/Entities/Creature/Creature.h
index a7c17561516..ae37ba56fd3 100644
--- a/src/server/game/Entities/Creature/Creature.h
+++ b/src/server/game/Entities/Creature/Creature.h
@@ -700,7 +700,7 @@ class Creature : public Unit, public GridObject<Creature>
 
         bool DisableReputationGain;
 
-        CreatureInfo const* m_creatureInfo;                 // in difficulty mode > 0 can different from ObjMgr::GetCreatureTemplate(GetEntry())
+        CreatureInfo const* m_creatureInfo;                 // in difficulty mode > 0 can different from objmgr.::GetCreatureTemplate(GetEntry())
         CreatureData const* m_creatureData;
 
         uint16 m_LootMode;                                  // bitmask, default LOOT_MODE_DEFAULT, determines what loot will be lootable
diff --git a/src/server/game/Entities/Creature/CreatureGroups.cpp b/src/server/game/Entities/Creature/CreatureGroups.cpp
index 25aab942916..7bd05123ec5 100644
--- a/src/server/game/Entities/Creature/CreatureGroups.cpp
+++ b/src/server/game/Entities/Creature/CreatureGroups.cpp
@@ -22,13 +22,11 @@
 #include "CreatureGroups.h"
 #include "ObjectMgr.h"
 #include "ProgressBar.h"
-#include "SingletonImp.h"
+
 #include "CreatureAI.h"
 
 #define MAX_DESYNC 5.0f
 
-INSTANTIATE_SINGLETON_1(CreatureGroupManager);
-
 CreatureGroupInfoType   CreatureGroupMap;
 
 void CreatureGroupManager::AddCreatureToGroup(uint32 groupId, Creature *member)
diff --git a/src/server/game/Entities/Creature/CreatureGroups.h b/src/server/game/Entities/Creature/CreatureGroups.h
index 521586b7457..4aa49571b5d 100644
--- a/src/server/game/Entities/Creature/CreatureGroups.h
+++ b/src/server/game/Entities/Creature/CreatureGroups.h
@@ -35,12 +35,15 @@ struct FormationInfo
 
 class CreatureGroupManager
 {
+    friend class ACE_Singleton<CreatureGroupManager, ACE_Null_Mutex>;
     public:
         void AddCreatureToGroup(uint32 group_id, Creature *creature);
         void RemoveCreatureFromGroup(CreatureGroup *group, Creature *creature);
         void LoadCreatureFormations();
 };
 
+#define formation_mgr (*ACE_Singleton<CreatureGroupManager, ACE_Null_Mutex>::instance())
+
 typedef UNORDERED_MAP<uint32/*memberDBGUID*/, FormationInfo*>   CreatureGroupInfoType;
 
 extern CreatureGroupInfoType    CreatureGroupMap;
@@ -73,6 +76,4 @@ class CreatureGroup
         void MemberAttackStart(Creature* member, Unit *target);
 };
 
-#define formation_mgr Trinity::Singleton<CreatureGroupManager>::Instance()
-
 #endif
diff --git a/src/server/game/Entities/DynamicObject/DynamicObject.cpp b/src/server/game/Entities/DynamicObject/DynamicObject.cpp
index 5c13fe47cb7..529710eda90 100644
--- a/src/server/game/Entities/DynamicObject/DynamicObject.cpp
+++ b/src/server/game/Entities/DynamicObject/DynamicObject.cpp
@@ -46,7 +46,7 @@ void DynamicObject::AddToWorld()
     ///- Register the dynamicObject for guid lookup
     if (!IsInWorld())
     {
-        ObjectAccessor::Instance().AddObject(this);
+        sObjectAccessor.AddObject(this);
         WorldObject::AddToWorld();
     }
 }
@@ -69,7 +69,7 @@ void DynamicObject::RemoveFromWorld()
             }
         }
         WorldObject::RemoveFromWorld();
-        ObjectAccessor::Instance().RemoveObject(this);
+        sObjectAccessor.RemoveObject(this);
     }
 }
 
diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index 364bc8ec29c..8783a8b5199 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -117,7 +117,7 @@ void GameObject::AddToWorld()
         if (m_zoneScript)
             m_zoneScript->OnGameObjectCreate(this, true);
 
-        ObjectAccessor::Instance().AddObject(this);
+        sObjectAccessor.AddObject(this);
         WorldObject::AddToWorld();
     }
 }
@@ -139,7 +139,7 @@ void GameObject::RemoveFromWorld()
                 sLog.outError("Delete GameObject (GUID: %u Entry: %u) that have references in not found creature %u GO list. Crash possible later.",GetGUIDLow(),GetGOInfo()->id,GUID_LOPART(owner_guid));
         }
         WorldObject::RemoveFromWorld();
-        ObjectAccessor::Instance().RemoveObject(this);
+        sObjectAccessor.RemoveObject(this);
     }
 }
 
diff --git a/src/server/game/Entities/Object/Object.cpp b/src/server/game/Entities/Object/Object.cpp
index 4e32b48d6b8..fe4b8673b8f 100644
--- a/src/server/game/Entities/Object/Object.cpp
+++ b/src/server/game/Entities/Object/Object.cpp
@@ -110,7 +110,7 @@ Object::~Object()
     {
         sLog.outCrash("Object::~Object - guid="UI64FMTD", typeid=%d, entry=%u deleted but still in update list!!", GetGUID(), GetTypeId(), GetEntry());
         assert(false);
-        ObjectAccessor::Instance().RemoveUpdateObject(this);
+        sObjectAccessor.RemoveUpdateObject(this);
     }
 
     delete [] m_uint32Values;
@@ -731,7 +731,7 @@ void Object::ClearUpdateMask(bool remove)
     if (m_objectUpdated)
     {
         if (remove)
-            ObjectAccessor::Instance().RemoveUpdateObject(this);
+            sObjectAccessor.RemoveUpdateObject(this);
         m_objectUpdated = false;
     }
 }
@@ -804,7 +804,7 @@ void Object::SetInt32Value(uint16 index, int32 value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -823,7 +823,7 @@ void Object::SetUInt32Value(uint16 index, uint32 value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -849,7 +849,7 @@ void Object::SetUInt64Value(uint16 index, const uint64 &value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -868,7 +868,7 @@ bool Object::AddUInt64Value(uint16 index, const uint64 &value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -889,7 +889,7 @@ bool Object::RemoveUInt64Value(uint16 index, const uint64 &value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -910,7 +910,7 @@ void Object::SetFloatValue(uint16 index, float value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -936,7 +936,7 @@ void Object::SetByteValue(uint16 index, uint8 offset, uint8 value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -962,7 +962,7 @@ void Object::SetUInt16Value(uint16 index, uint8 offset, uint16 value)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -1031,7 +1031,7 @@ void Object::SetFlag(uint16 index, uint32 newFlag)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -1052,7 +1052,7 @@ void Object::RemoveFlag(uint16 index, uint32 oldFlag)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -1077,7 +1077,7 @@ void Object::SetByteFlag(uint16 index, uint8 offset, uint8 newFlag)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -1102,7 +1102,7 @@ void Object::RemoveByteFlag(uint16 index, uint8 offset, uint8 oldFlag)
         {
             if (!m_objectUpdated)
             {
-                ObjectAccessor::Instance().AddUpdateObject(this);
+                sObjectAccessor.AddUpdateObject(this);
                 m_objectUpdated = true;
             }
         }
@@ -1502,7 +1502,7 @@ void Object::ForceValuesUpdateAtIndex(uint32 i)
     {
         if (!m_objectUpdated)
         {
-            ObjectAccessor::Instance().AddUpdateObject(this);
+            sObjectAccessor.AddUpdateObject(this);
             m_objectUpdated = true;
         }
     }
diff --git a/src/server/game/Entities/Pet/Pet.cpp b/src/server/game/Entities/Pet/Pet.cpp
index ed4bd4d6f96..3e3eea67cca 100644
--- a/src/server/game/Entities/Pet/Pet.cpp
+++ b/src/server/game/Entities/Pet/Pet.cpp
@@ -74,7 +74,7 @@ void Pet::AddToWorld()
     if (!IsInWorld())
     {
         ///- Register the pet for guid lookup
-        ObjectAccessor::Instance().AddObject(this);
+        sObjectAccessor.AddObject(this);
         Unit::AddToWorld();
         AIM_Initialize();
     }
@@ -98,7 +98,7 @@ void Pet::RemoveFromWorld()
     {
         ///- Don't call the function for Creature, normal mobs + totems go in a different storage
         Unit::RemoveFromWorld();
-        ObjectAccessor::Instance().RemoveObject(this);
+        sObjectAccessor.RemoveObject(this);
     }
 }
 
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 56d22c7b49e..e3ddcd81f0b 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -587,7 +587,7 @@ bool Player::Create(uint32 guidlow, const std::string& name, uint8 race, uint8 c
         return false;
     }
 
-    SetMap(MapManager::Instance().CreateMap(info->mapId, this, 0));
+    SetMap(sMapMgr.CreateMap(info->mapId, this, 0));
 
     uint8 powertype = cEntry->powerType;
 
@@ -1822,12 +1822,12 @@ bool Player::TeleportTo(uint32 mapid, float x, float y, float z, float orientati
 
         // Check enter rights before map getting to avoid creating instance copy for player
         // this check not dependent from map instance copy and same for all instance copies of selected map
-        if (!MapManager::Instance().CanPlayerEnter(mapid, this, false))
+        if (!sMapMgr.CanPlayerEnter(mapid, this, false))
             return false;
 
         // If the map is not created, assume it is possible to enter it.
         // It will be created in the WorldPortAck.
-        Map *map = MapManager::Instance().FindMap(mapid);
+        Map *map = sMapMgr.FindMap(mapid);
         if (!map ||  map->CanEnter(this))
         {
             //lets reset near teleport flag if it wasn't reset during chained teleports
@@ -4255,7 +4255,7 @@ void Player::DeleteFromDB(uint64 playerguid, uint32 accountId, bool updateRealmC
 
     // convert corpse to bones if exist (to prevent exiting Corpse in World without DB entry)
     // bones will be deleted by corpse/bones deleting thread shortly
-    ObjectAccessor::Instance().ConvertCorpseForPlayer(playerguid);
+    sObjectAccessor.ConvertCorpseForPlayer(playerguid);
 
     // remove from guild
     uint32 guildId = GetGuildIdFromDB(playerguid);
@@ -4684,19 +4684,19 @@ void Player::CreateCorpse()
         corpse->SaveToDB();
 
     // register for player, but not show
-    ObjectAccessor::Instance().AddCorpse(corpse);
+    sObjectAccessor.AddCorpse(corpse);
 }
 
 void Player::SpawnCorpseBones()
 {
-    if (ObjectAccessor::Instance().ConvertCorpseForPlayer(GetGUID()))
+    if (sObjectAccessor.ConvertCorpseForPlayer(GetGUID()))
         if (!GetSession()->PlayerLogoutWithSave())          // at logout we will already store the player
             SaveToDB();                                     // prevent loading as ghost without corpse
 }
 
 Corpse* Player::GetCorpse() const
 {
-    return ObjectAccessor::Instance().GetCorpseForPlayerGUID(GetGUID());
+    return sObjectAccessor.GetCorpseForPlayerGUID(GetGUID());
 }
 
 void Player::DurabilityLossAll(double percent, bool inventory)
@@ -6758,7 +6758,7 @@ uint32 Player::GetZoneIdFromDB(uint64 guid)
         float posy = fields[2].GetFloat();
         float posz = fields[3].GetFloat();
 
-        zone = MapManager::Instance().GetZoneId(map,posx,posy,posz);
+        zone = sMapMgr.GetZoneId(map,posx,posy,posz);
 
         if (zone > 0)
             CharacterDatabase.PExecute("UPDATE characters SET zone='%u' WHERE guid='%u'", zone, guidLow);
@@ -8013,7 +8013,7 @@ void Player::RemovedInsignia(Player* looterPlr)
 
     // We have to convert player corpse to bones, not to be able to resurrect there
     // SpawnCorpseBones isn't handy, 'cos it saves player while he in BG
-    Corpse *bones = ObjectAccessor::Instance().ConvertCorpseForPlayer(GetGUID(),true);
+    Corpse *bones = sObjectAccessor.ConvertCorpseForPlayer(GetGUID(),true);
     if (!bones)
         return;
 
@@ -13680,7 +13680,7 @@ void Player::PrepareQuestMenu(uint64 guid)
     {
         //we should obtain map pointer from GetMap() in 99% of cases. Special case
         //only for quests which cast teleport spells on player
-        Map * _map = IsInWorld() ? GetMap() : MapManager::Instance().FindMap(GetMapId(), GetInstanceId());
+        Map * _map = IsInWorld() ? GetMap() : sMapMgr.FindMap(GetMapId(), GetInstanceId());
         ASSERT(_map);
         GameObject *pGameObject = _map->GetGameObject(guid);
         if (pGameObject)
@@ -13855,7 +13855,7 @@ Quest const * Player::GetNextQuest(uint64 guid, Quest const *pQuest)
     {
         //we should obtain map pointer from GetMap() in 99% of cases. Special case
         //only for quests which cast teleport spells on player
-        Map * _map = IsInWorld() ? GetMap() : MapManager::Instance().FindMap(GetMapId(), GetInstanceId());
+        Map * _map = IsInWorld() ? GetMap() : sMapMgr.FindMap(GetMapId(), GetInstanceId());
         ASSERT(_map);
         GameObject *pGameObject = _map->GetGameObject(guid);
         if (pGameObject)
@@ -15955,7 +15955,7 @@ bool Player::LoadFromDB(uint32 guid, SqlQueryHolder *holder)
         }
         else
         {
-            for (MapManager::TransportSet::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
+            for (MapManager::TransportSet::iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
             {
                 if ((*iter)->GetGUIDLow() == transGUID)
                 {
@@ -16038,7 +16038,7 @@ bool Player::LoadFromDB(uint32 guid, SqlQueryHolder *holder)
 
     // NOW player must have valid map
     // load the player's map here if it's not already loaded
-    Map *map = MapManager::Instance().CreateMap(mapId, this, instanceId);
+    Map *map = sMapMgr.CreateMap(mapId, this, instanceId);
 
     if (!map)
     {
@@ -16056,14 +16056,14 @@ bool Player::LoadFromDB(uint32 guid, SqlQueryHolder *holder)
             RelocateToHomebind();
         }
 
-        map = MapManager::Instance().CreateMap(mapId, this, 0);
+        map = sMapMgr.CreateMap(mapId, this, 0);
         if (!map)
         {
             PlayerInfo const *info = objmgr.GetPlayerInfo(getRace(), getClass());
             mapId = info->mapId;
             Relocate(info->positionX,info->positionY,info->positionZ,0.0f);
             sLog.outError("ERROR: Player (guidlow %d) have invalid coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",guid,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
-            map = MapManager::Instance().CreateMap(mapId, this, 0);
+            map = sMapMgr.CreateMap(mapId, this, 0);
             if (!map)
             {
                 sLog.outError("ERROR: Player (guidlow %d) has invalid default map coordinates (X: %f Y: %f Z: %f O: %f). or instance couldn't be created",guid,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
@@ -16532,7 +16532,7 @@ void Player::_LoadGlyphAuras()
 void Player::LoadCorpse()
 {
     if (isAlive())
-        ObjectAccessor::Instance().ConvertCorpseForPlayer(GetGUID());
+        sObjectAccessor.ConvertCorpseForPlayer(GetGUID());
     else
     {
         if (Corpse *corpse = GetCorpse())
@@ -17446,7 +17446,7 @@ bool Player::CheckInstanceLoginValid()
     }
 
     // do checks for satisfy accessreqs, instance full, encounter in progress (raid), perm bind group != perm bind player
-    return MapManager::Instance().CanPlayerEnter(GetMap()->GetId(), this, true);
+    return sMapMgr.CanPlayerEnter(GetMap()->GetId(), this, true);
 }
 
 bool Player::_LoadHomeBind(QueryResult_AutoPtr result)
@@ -18285,7 +18285,7 @@ void Player::ResetInstances(uint8 method, bool isRaid)
         }
 
         // if the map is loaded, reset it
-        Map *map = MapManager::Instance().FindMap(p->GetMapId(), p->GetInstanceId());
+        Map *map = sMapMgr.FindMap(p->GetMapId(), p->GetInstanceId());
         if (map && map->IsDungeon())
             if (!((InstanceMap*)map)->Reset(method))
             {
diff --git a/src/server/game/Entities/Player/SocialMgr.cpp b/src/server/game/Entities/Player/SocialMgr.cpp
index a64692895a3..0de95352d19 100644
--- a/src/server/game/Entities/Player/SocialMgr.cpp
+++ b/src/server/game/Entities/Player/SocialMgr.cpp
@@ -19,7 +19,7 @@
  */
 
 #include "SocialMgr.h"
-#include "SingletonImp.h"
+
 #include "DatabaseEnv.h"
 #include "Opcodes.h"
 #include "WorldPacket.h"
@@ -28,8 +28,6 @@
 #include "World.h"
 #include "Util.h"
 
-INSTANTIATE_SINGLETON_1(SocialMgr);
-
 PlayerSocial::PlayerSocial()
 {
     m_playerGUID = 0;
diff --git a/src/server/game/Entities/Player/SocialMgr.h b/src/server/game/Entities/Player/SocialMgr.h
index 092ab09dc15..dbed6e93006 100644
--- a/src/server/game/Entities/Player/SocialMgr.h
+++ b/src/server/game/Entities/Player/SocialMgr.h
@@ -21,7 +21,7 @@
 #ifndef __TRINITY_SOCIALMGR_H
 #define __TRINITY_SOCIALMGR_H
 
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "DatabaseEnv.h"
 #include "Common.h"
 
@@ -139,8 +139,9 @@ class PlayerSocial
 
 class SocialMgr
 {
+    friend class ACE_Singleton<SocialMgr, ACE_Null_Mutex>;
+    SocialMgr();
     public:
-        SocialMgr();
         ~SocialMgr();
         // Misc
         void RemovePlayerSocial(uint32 guid) { m_socialMap.erase(guid); }
@@ -156,6 +157,6 @@ class SocialMgr
         SocialMap m_socialMap;
 };
 
-#define sSocialMgr Trinity::Singleton<SocialMgr>::Instance()
+#define sSocialMgr (*ACE_Singleton<SocialMgr, ACE_Null_Mutex>::instance())
 #endif
 
diff --git a/src/server/game/Entities/Transport/Transport.cpp b/src/server/game/Entities/Transport/Transport.cpp
index e1577237125..2a82b5c33df 100644
--- a/src/server/game/Entities/Transport/Transport.cpp
+++ b/src/server/game/Entities/Transport/Transport.cpp
@@ -106,7 +106,7 @@ void MapManager::LoadTransports()
             m_TransportsByMap[*i].insert(t);
 
         //If we someday decide to use the grid to track transports, here:
-        t->SetMap(MapManager::Instance().CreateMap(mapid, t, 0));
+        t->SetMap(sMapMgr.CreateMap(mapid, t, 0));
 
         //t->GetMap()->Add<GameObject>((GameObject *)t);
         ++count;
@@ -455,7 +455,7 @@ void Transport::TeleportTransport(uint32 newMapid, float x, float y, float z)
     //yes, you're right
 
     ResetMap();
-    Map * newMap = MapManager::Instance().CreateMap(newMapid, this, 0);
+    Map * newMap = sMapMgr.CreateMap(newMapid, this, 0);
     SetMap(newMap);
     assert (GetMap());
 
diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 0ee16010393..9d0bce23fd5 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -14062,7 +14062,7 @@ void Unit::StopMoving()
 
     // send explicit stop packet
     // rely on vmaps here because for example stormwind is in air
-    //float z = MapManager::Instance().GetBaseMap(GetMapId())->GetHeight(GetPositionX(), GetPositionY(), GetPositionZ(), true);
+    //float z = sMapMgr.GetBaseMap(GetMapId())->GetHeight(GetPositionX(), GetPositionY(), GetPositionZ(), true);
     //if (fabs(GetPositionZ() - z) < 2.0f)
     //    Relocate(GetPositionX(), GetPositionY(), z);
     //Relocate(GetPositionX(), GetPositionY(),GetPositionZ());
diff --git a/src/server/game/Events/GameEventMgr.cpp b/src/server/game/Events/GameEventMgr.cpp
index 25cd624b3c5..f22db3c8187 100644
--- a/src/server/game/Events/GameEventMgr.cpp
+++ b/src/server/game/Events/GameEventMgr.cpp
@@ -27,13 +27,10 @@
 #include "Language.h"
 #include "Log.h"
 #include "MapManager.h"
-#include "SingletonImp.h"
 #include "GossipDef.h"
 #include "Player.h"
 #include "BattleGroundMgr.h"
 
-INSTANTIATE_SINGLETON_1(GameEventMgr);
-
 bool GameEventMgr::CheckOneGameEvent(uint16 entry) const
 {
     switch(mGameEvent[entry].state)
@@ -1270,7 +1267,7 @@ void GameEventMgr::GameEventSpawn(int16 event_id)
             objmgr.AddCreatureToGrid(*itr, data);
 
             // Spawn if necessary (loaded grids only)
-            Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(data->mapid));
+            Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(data->mapid));
             // We use spawn coords to spawn
             if (!map->Instanceable() && map->IsLoaded(data->posX, data->posY))
             {
@@ -1298,7 +1295,7 @@ void GameEventMgr::GameEventSpawn(int16 event_id)
             objmgr.AddGameobjectToGrid(*itr, data);
             // Spawn if necessary (loaded grids only)
             // this base map checked as non-instanced and then only existed
-            Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(data->mapid));
+            Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(data->mapid));
             // We use current coords to unspawn, not spawn coords since creature can have changed grid
             if (!map->Instanceable() && map->IsLoaded(data->posX, data->posY))
             {
@@ -1345,7 +1342,7 @@ void GameEventMgr::GameEventUnspawn(int16 event_id)
         {
             objmgr.RemoveCreatureFromGrid(*itr, data);
 
-            if (Creature* pCreature = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(*itr, data->id, HIGHGUID_UNIT), (Creature*)NULL))
+            if (Creature* pCreature = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(*itr, data->id, HIGHGUID_UNIT), (Creature*)NULL))
                 pCreature->AddObjectToRemoveList();
         }
     }
@@ -1366,7 +1363,7 @@ void GameEventMgr::GameEventUnspawn(int16 event_id)
         {
             objmgr.RemoveGameobjectFromGrid(*itr, data);
 
-            if (GameObject* pGameobject = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(*itr, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
+            if (GameObject* pGameobject = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(*itr, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
                 pGameobject->AddObjectToRemoveList();
         }
     }
@@ -1392,7 +1389,7 @@ void GameEventMgr::ChangeEquipOrModel(int16 event_id, bool activate)
             continue;
 
         // Update if spawned
-        Creature* pCreature = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(itr->first, data->id,HIGHGUID_UNIT), (Creature*)NULL);
+        Creature* pCreature = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(itr->first, data->id,HIGHGUID_UNIT), (Creature*)NULL);
         if (pCreature)
         {
             if (activate)
diff --git a/src/server/game/Events/GameEventMgr.h b/src/server/game/Events/GameEventMgr.h
index 21178805859..656be331edc 100644
--- a/src/server/game/Events/GameEventMgr.h
+++ b/src/server/game/Events/GameEventMgr.h
@@ -24,7 +24,7 @@
 #include "Common.h"
 #include "SharedDefines.h"
 #include "Define.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 #define max_ge_check_delay DAY  // 1 day in seconds
 
@@ -92,9 +92,11 @@ class Creature;
 
 class GameEventMgr
 {
+    friend class ACE_Singleton<GameEventMgr, ACE_Null_Mutex>;
+    GameEventMgr();
     public:
-        GameEventMgr();
         ~GameEventMgr() {};
+
         typedef std::set<uint16> ActiveEvents;
         typedef std::vector<GameEventData> GameEventDataMap;
         ActiveEvents const& GetActiveEventList() const { return m_ActiveEvents; }
@@ -172,7 +174,7 @@ class GameEventMgr
         GameEventGuidMap  mGameEventGameobjectGuids;
 };
 
-#define gameeventmgr Trinity::Singleton<GameEventMgr>::Instance()
+#define gameeventmgr (*ACE_Singleton<GameEventMgr, ACE_Null_Mutex>::instance())
 
  bool IsHolidayActive(HolidayIds id);
  bool IsEventActive(uint16 event_id);
diff --git a/src/server/game/Globals/GlobalEvents.cpp b/src/server/game/Globals/GlobalEvents.cpp
index acdd91248bc..e83441cf3bb 100644
--- a/src/server/game/Globals/GlobalEvents.cpp
+++ b/src/server/game/Globals/GlobalEvents.cpp
@@ -53,7 +53,7 @@ static void CorpsesEraseCallBack(QueryResult_AutoPtr result, bool bones)
         /// Resurrectable - convert corpses to bones
         if (!bones)
         {
-            if (!ObjectAccessor::Instance().ConvertCorpseForPlayer(player_guid))
+            if (!sObjectAccessor.ConvertCorpseForPlayer(player_guid))
             {
                 sLog.outDebug("Corpse %u not found in world or bones creating forbidden. Delete from DB.",guidlow);
                 CharacterDatabase.PExecute("DELETE FROM corpse WHERE guid = '%u'",guidlow);
@@ -62,7 +62,7 @@ static void CorpsesEraseCallBack(QueryResult_AutoPtr result, bool bones)
         else
             ///- or delete bones
         {
-            MapManager::Instance().RemoveBonesFromMap(mapid, guid, positionX, positionY);
+            sMapMgr.RemoveBonesFromMap(mapid, guid, positionX, positionY);
 
             ///- remove bones from the database
             CharacterDatabase.PExecute("DELETE FROM corpse WHERE guid = '%u'",guidlow);
diff --git a/src/server/game/Globals/ObjectAccessor.cpp b/src/server/game/Globals/ObjectAccessor.cpp
index 73aca9865f8..b82944d8327 100644
--- a/src/server/game/Globals/ObjectAccessor.cpp
+++ b/src/server/game/Globals/ObjectAccessor.cpp
@@ -20,7 +20,7 @@
 
 #include "ObjectAccessor.h"
 #include "ObjectMgr.h"
-#include "SingletonImp.h"
+
 #include "Player.h"
 #include "Creature.h"
 #include "GameObject.h"
@@ -41,10 +41,6 @@
 
 #include <cmath>
 
-#define CLASS_LOCK Trinity::ClassLevelLockable<ObjectAccessor, ACE_Thread_Mutex>
-INSTANTIATE_SINGLETON_2(ObjectAccessor, CLASS_LOCK);
-INSTANTIATE_CLASS_MUTEX(ObjectAccessor, ACE_Thread_Mutex);
-
 ObjectAccessor::ObjectAccessor()
 {
 }
@@ -151,7 +147,7 @@ Player* ObjectAccessor::FindPlayer(uint64 guid)
 
 Player* ObjectAccessor::FindPlayerByName(const char* name)
 {
-    Guard guard(*HashMapHolder<Player>::GetLock());
+    ACE_GUARD_RETURN(LockType, g, *HashMapHolder<Player>::GetLock(), NULL);
     HashMapHolder<Player>::MapType& m = HashMapHolder<Player>::GetContainer();
     for (HashMapHolder<Player>::MapType::iterator iter = m.begin(); iter != m.end(); ++iter)
         if (iter->second->IsInWorld() && strcmp(name, iter->second->GetName()) == 0)
@@ -162,7 +158,7 @@ Player* ObjectAccessor::FindPlayerByName(const char* name)
 
 void ObjectAccessor::SaveAllPlayers()
 {
-    Guard guard(*HashMapHolder<Player>::GetLock());
+    ACE_GUARD(LockType, g, *HashMapHolder<Player>::GetLock());
     HashMapHolder<Player>::MapType& m = HashMapHolder<Player>::GetContainer();
     for (HashMapHolder<Player>::MapType::iterator itr = m.begin(); itr != m.end(); ++itr)
         itr->second->SaveToDB();
@@ -175,7 +171,7 @@ Pet* ObjectAccessor::GetPet(uint64 guid)
 
 Corpse* ObjectAccessor::GetCorpseForPlayerGUID(uint64 guid)
 {
-    Guard guard(i_corpseGuard);
+    ACE_GUARD_RETURN(LockType, guard, i_corpseGuard, NULL);
 
     Player2CorpsesMapType::iterator iter = i_player2corpse.find(guid);
     if (iter == i_player2corpse.end())
@@ -197,7 +193,7 @@ void ObjectAccessor::RemoveCorpse(Corpse* corpse)
 
     // Critical section
     {
-        Guard guard(i_corpseGuard);
+        ACE_GUARD(LockType, g, i_corpseGuard);
 
         Player2CorpsesMapType::iterator iter = i_player2corpse.find(corpse->GetOwnerGUID());
         if (iter == i_player2corpse.end()) // TODO: Fix this
@@ -219,7 +215,7 @@ void ObjectAccessor::AddCorpse(Corpse* corpse)
 
     // Critical section
     {
-        Guard guard(i_corpseGuard);
+        ACE_GUARD(LockType, g, i_corpseGuard);
 
         assert(i_player2corpse.find(corpse->GetOwnerGUID()) == i_player2corpse.end());
         i_player2corpse[corpse->GetOwnerGUID()] = corpse;
@@ -234,7 +230,7 @@ void ObjectAccessor::AddCorpse(Corpse* corpse)
 
 void ObjectAccessor::AddCorpsesToGrid(GridPair const& gridpair, GridType& grid, Map* map)
 {
-    Guard guard(i_corpseGuard);
+    ACE_GUARD(LockType, g, i_corpseGuard);
 
     for (Player2CorpsesMapType::iterator iter = i_player2corpse.begin(); iter != i_player2corpse.end(); ++iter)
     {
@@ -274,7 +270,7 @@ Corpse* ObjectAccessor::ConvertCorpseForPlayer(uint64 player_guid, bool /*insign
     // done in removecorpse
     // remove resurrectable corpse from grid object registry (loaded state checked into call)
     // do not load the map if it's not loaded
-    //Map *map = MapManager::Instance().FindMap(corpse->GetMapId(), corpse->GetInstanceId());
+    //Map *map = sMapMgr.FindMap(corpse->GetMapId(), corpse->GetInstanceId());
     //if (map)
     //    map->Remove(corpse, false);
 
@@ -333,7 +329,7 @@ void ObjectAccessor::Update(uint32 /*diff*/)
 
     // Critical section
     {
-        Guard guard(i_updateGuard);
+        ACE_GUARD(LockType, g, i_updateGuard);
 
         while (!i_objects.empty())
         {
diff --git a/src/server/game/Globals/ObjectAccessor.h b/src/server/game/Globals/ObjectAccessor.h
index e3295428505..fc128d6a4e0 100644
--- a/src/server/game/Globals/ObjectAccessor.h
+++ b/src/server/game/Globals/ObjectAccessor.h
@@ -22,10 +22,9 @@
 #define TRINITY_OBJECTACCESSOR_H
 
 #include "Define.h"
-#include "Singleton.h"
+#include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 #include "UnorderedMap.h"
-#include "ThreadingModel.h"
 
 #include "UpdateData.h"
 
@@ -50,23 +49,22 @@ class HashMapHolder
 
         typedef UNORDERED_MAP<uint64, T*> MapType;
         typedef ACE_Thread_Mutex LockType;
-        typedef Trinity::GeneralLock<LockType> Guard;
 
         static void Insert(T* o)
         {
-            Guard guard(i_lock);
+            ACE_GUARD(LockType, Guard, i_lock);
             m_objectMap[o->GetGUID()] = o;
         }
 
         static void Remove(T* o)
         {
-            Guard guard(i_lock);
+            ACE_GUARD(LockType, Guard, i_lock);
             m_objectMap.erase(o->GetGUID());
         }
 
         static T* Find(uint64 guid)
         {
-            Guard guard(i_lock);
+            ACE_GUARD_RETURN(LockType, Guard, i_lock, NULL);
             typename MapType::iterator itr = m_objectMap.find(guid);
             return (itr != m_objectMap.end()) ? itr->second : NULL;
         }
@@ -84,9 +82,9 @@ class HashMapHolder
         static MapType  m_objectMap;
 };
 
-class ObjectAccessor : public Trinity::Singleton<ObjectAccessor, Trinity::ClassLevelLockable<ObjectAccessor, ACE_Thread_Mutex> >
+class ObjectAccessor
 {
-    friend class Trinity::OperatorNew<ObjectAccessor>;
+    friend class ACE_Singleton<ObjectAccessor, ACE_Thread_Mutex>;
     ObjectAccessor();
     ~ObjectAccessor();
     ObjectAccessor(const ObjectAccessor&);
@@ -220,13 +218,13 @@ class ObjectAccessor : public Trinity::Singleton<ObjectAccessor, Trinity::ClassL
 
         void AddUpdateObject(Object* obj)
         {
-            Guard guard(i_updateGuard);
+            ACE_GUARD(LockType, Guard, i_updateGuard);
             i_objects.insert(obj);
         }
 
         void RemoveUpdateObject(Object* obj)
         {
-            Guard guard(i_updateGuard);
+            ACE_GUARD(LockType, Guard, i_updateGuard);
             i_objects.erase(obj);
         }
 
@@ -239,7 +237,6 @@ class ObjectAccessor : public Trinity::Singleton<ObjectAccessor, Trinity::ClassL
         Corpse* ConvertCorpseForPlayer(uint64 player_guid, bool insignia = false);
 
         typedef ACE_Thread_Mutex LockType;
-        typedef Trinity::GeneralLock<LockType> Guard;
 
     private:
 
@@ -254,4 +251,6 @@ class ObjectAccessor : public Trinity::Singleton<ObjectAccessor, Trinity::ClassL
         LockType i_updateGuard;
         LockType i_corpseGuard;
 };
+
+#define sObjectAccessor (*ACE_Singleton<ObjectAccessor, ACE_Thread_Mutex>::instance())
 #endif
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index bab1add0132..00fbc83244c 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -22,8 +22,6 @@
 #include "DatabaseEnv.h"
 #include "SQLStorage.h"
 #include "SQLStorageImpl.h"
-#include "SingletonImp.h"
-
 #include "Log.h"
 #include "MapManager.h"
 #include "ObjectMgr.h"
@@ -48,8 +46,6 @@
 #include "Vehicle.h"
 #include "AchievementMgr.h"
 
-INSTANTIATE_SINGLETON_1(ObjectMgr);
-
 ScriptMapMap sQuestEndScripts;
 ScriptMapMap sQuestStartScripts;
 ScriptMapMap sSpellScripts;
@@ -1412,7 +1408,7 @@ uint32 ObjectMgr::AddGOData(uint32 entry, uint32 mapId, float x, float y, float
     if (!goinfo)
         return 0;
 
-    Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(mapId));
+    Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(mapId));
     if (!map)
         return 0;
 
@@ -1473,7 +1469,7 @@ bool ObjectMgr::MoveCreData(uint32 guid, uint32 mapId, Position pos)
     AddCreatureToGrid(guid, &data);
 
     // Spawn if necessary (loaded grids only)
-    if (Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(mapId)))
+    if (Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(mapId)))
     {
         // We use spawn coords to spawn
         if (!map->Instanceable() && map->IsLoaded(data.posX, data.posY))
@@ -1524,7 +1520,7 @@ uint32 ObjectMgr::AddCreData(uint32 entry, uint32 /*team*/, uint32 mapId, float
     AddCreatureToGrid(guid, &data);
 
     // Spawn if necessary (loaded grids only)
-    if (Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(mapId)))
+    if (Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(mapId)))
     {
         // We use spawn coords to spawn
         if (!map->Instanceable() && !map->IsRemovalGrid(x, y))
@@ -5547,7 +5543,7 @@ void ObjectMgr::LoadGraveyardZones()
 WorldSafeLocsEntry const *ObjectMgr::GetClosestGraveYard(float x, float y, float z, uint32 MapId, uint32 team)
 {
     // search for zone associated closest graveyard
-    uint32 zoneId = MapManager::Instance().GetZoneId(MapId,x,y,z);
+    uint32 zoneId = sMapMgr.GetZoneId(MapId,x,y,z);
 
     // Simulate std. algorithm:
     //   found some graveyard associated to (ghost_zone,ghost_map)
@@ -6608,7 +6604,7 @@ void ObjectMgr::LoadCorpses()
             continue;
         }
 
-        ObjectAccessor::Instance().AddCorpse(corpse);
+        sObjectAccessor.AddCorpse(corpse);
 
         ++count;
     }
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index b1a5bd0e1cd..320bf12cb21 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -37,7 +37,7 @@
 #include "Map.h"
 #include "ObjectAccessor.h"
 #include "ObjectDefines.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "SQLStorage.h"
 #include "Vehicle.h"
 #include "ObjectMgr.h"
@@ -354,11 +354,11 @@ class PlayerDumpReader;
 class ObjectMgr
 {
     friend class PlayerDumpReader;
-
+    friend class ACE_Singleton<ObjectMgr, ACE_Null_Mutex>;
+    ObjectMgr();
+    ~ObjectMgr();
+    
     public:
-        ObjectMgr();
-        ~ObjectMgr();
-
         typedef UNORDERED_MAP<uint32, Item*> ItemMap;
 
         typedef std::set< Group * > GroupSet;
@@ -382,7 +382,7 @@ class ObjectMgr
 
         typedef std::vector<std::string> ScriptNameMap;
 
-        Player* GetPlayer(const char* name) const { return ObjectAccessor::Instance().FindPlayerByName(name);}
+        Player* GetPlayer(const char* name) const { return sObjectAccessor.FindPlayerByName(name);}
         Player* GetPlayer(uint64 guid) const { return ObjectAccessor::FindPlayer(guid); }
 
         static GameObjectInfo const *GetGameObjectInfo(uint32 id) { return sGOStorage.LookupEntry<GameObjectInfo>(id); }
@@ -1083,7 +1083,7 @@ class ObjectMgr
 
 };
 
-#define objmgr Trinity::Singleton<ObjectMgr>::Instance()
+#define objmgr (*ACE_Singleton<ObjectMgr, ACE_Null_Mutex>::instance())
 
 // scripting access functions
  bool LoadTrinityStrings(DatabaseType& db, char const* table,int32 start_value = MAX_CREATURE_AI_TEXT_STRING_ID, int32 end_value = std::numeric_limits<int32>::min());
diff --git a/src/server/game/Grids/Grid.h b/src/server/game/Grids/Grid.h
index fd2cc28c184..2e300ac5e38 100644
--- a/src/server/game/Grids/Grid.h
+++ b/src/server/game/Grids/Grid.h
@@ -33,7 +33,6 @@
 */
 
 #include "Define.h"
-#include "ThreadingModel.h"
 #include "TypeContainer.h"
 #include "TypeContainerVisitor.h"
 
@@ -44,8 +43,7 @@ template
 <
 class ACTIVE_OBJECT,
 class WORLD_OBJECT_TYPES,
-class GRID_OBJECT_TYPES,
-class ThreadModel = Trinity::SingleThreaded<ACTIVE_OBJECT>
+class GRID_OBJECT_TYPES
 >
 class Grid
 {
@@ -131,9 +129,6 @@ class Grid
         }*/
     private:
 
-        typedef typename ThreadModel::Lock Guard;
-        typedef typename ThreadModel::VolatileType VolatileType;
-
         TypeMapContainer<GRID_OBJECT_TYPES> i_container;
         TypeMapContainer<WORLD_OBJECT_TYPES> i_objects;
         //typedef std::set<void*> ActiveGridObjects;
diff --git a/src/server/game/Grids/NGrid.h b/src/server/game/Grids/NGrid.h
index 8c539519211..1411ac71c4a 100644
--- a/src/server/game/Grids/NGrid.h
+++ b/src/server/game/Grids/NGrid.h
@@ -74,14 +74,13 @@ template
 unsigned int N,
 class ACTIVE_OBJECT,
 class WORLD_OBJECT_TYPES,
-class GRID_OBJECT_TYPES,
-class ThreadModel = Trinity::SingleThreaded<ACTIVE_OBJECT>
+class GRID_OBJECT_TYPES
 >
 class NGrid
 {
     public:
 
-        typedef Grid<ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> GridType;
+        typedef Grid<ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES> GridType;
         NGrid(uint32 id, int32 x, int32 y, time_t expiry, bool unload = true)
             : i_gridId(id), i_x(x), i_y(y), i_cellstate(GRID_STATE_INVALID), i_GridObjectDataLoaded(false)
         {
@@ -109,7 +108,7 @@ class NGrid
         int32 getX() const { return i_x; }
         int32 getY() const { return i_y; }
 
-        void link(GridRefManager<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> >* pTo)
+        void link(GridRefManager<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES> >* pTo)
         {
             i_Reference.link(pTo, this);
         }
@@ -178,7 +177,7 @@ class NGrid
 
         uint32 i_gridId;
         GridInfo i_GridInfo;
-        GridReference<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> > i_Reference;
+        GridReference<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES> > i_Reference;
         int32 i_x;
         int32 i_y;
         grid_state_t i_cellstate;
diff --git a/src/server/game/Grids/ObjectGridLoader.cpp b/src/server/game/Grids/ObjectGridLoader.cpp
index ab69d9a966b..f0da10975ac 100644
--- a/src/server/game/Grids/ObjectGridLoader.cpp
+++ b/src/server/game/Grids/ObjectGridLoader.cpp
@@ -151,7 +151,7 @@ void LoadHelper(CellCorpseSet const& cell_corpses, CellPair &cell, CorpseMapType
 
         uint32 player_guid = itr->first;
 
-        Corpse *obj = ObjectAccessor::Instance().GetCorpseForPlayerGUID(player_guid);
+        Corpse *obj = sObjectAccessor.GetCorpseForPlayerGUID(player_guid);
         if (!obj)
             continue;
 
diff --git a/src/server/game/Groups/Group.cpp b/src/server/game/Groups/Group.cpp
index 53fa9a3ecdb..2977515959b 100644
--- a/src/server/game/Groups/Group.cpp
+++ b/src/server/game/Groups/Group.cpp
@@ -1724,7 +1724,7 @@ void Group::ResetInstances(uint8 method, bool isRaid, Player* SendMsgTo)
 
         bool isEmpty = true;
         // if the map is loaded, reset it
-        Map *map = MapManager::Instance().FindMap(p->GetMapId(), p->GetInstanceId());
+        Map *map = sMapMgr.FindMap(p->GetMapId(), p->GetInstanceId());
         if (map && map->IsDungeon() && !(method == INSTANCE_RESET_GROUP_DISBAND && !p->CanReset()))
         {
             if (p->CanReset())
diff --git a/src/server/game/Instances/InstanceSaveMgr.cpp b/src/server/game/Instances/InstanceSaveMgr.cpp
index c62038cfbf0..7b5ccf1c46a 100644
--- a/src/server/game/Instances/InstanceSaveMgr.cpp
+++ b/src/server/game/Instances/InstanceSaveMgr.cpp
@@ -21,7 +21,6 @@
 
 #include "Common.h"
 #include "SQLStorage.h"
-
 #include "Player.h"
 #include "GridNotifiers.h"
 #include "Log.h"
@@ -40,14 +39,7 @@
 #include "Group.h"
 #include "InstanceData.h"
 #include "ProgressBar.h"
-#include "Singleton.h"
-#include "SingletonImp.h"
-
-INSTANTIATE_SINGLETON_1(InstanceSaveManager);
 
-InstanceSaveManager::InstanceSaveManager() : lock_instLists(false)
-{
-}
 
 InstanceSaveManager::~InstanceSaveManager()
 {
@@ -173,7 +165,7 @@ void InstanceSave::SaveToDB()
     // save instance data too
     std::string data;
 
-    Map *map = MapManager::Instance().FindMap(GetMapId(),m_instanceid);
+    Map *map = sMapMgr.FindMap(GetMapId(),m_instanceid);
     if (map)
     {
         assert(map->IsDungeon());
@@ -615,7 +607,7 @@ void InstanceSaveManager::_ResetSave(InstanceSaveHashMap::iterator &itr)
 void InstanceSaveManager::_ResetInstance(uint32 mapid, uint32 instanceId)
 {
     sLog.outDebug("InstanceSaveMgr::_ResetInstance %u, %u", mapid, instanceId);
-    Map *map = (MapInstanced*)MapManager::Instance().CreateBaseMap(mapid);
+    Map *map = (MapInstanced*)sMapMgr.CreateBaseMap(mapid);
     if (!map->Instanceable())
         return;
 
@@ -679,7 +671,7 @@ void InstanceSaveManager::_ResetOrWarnAll(uint32 mapid, Difficulty difficulty, b
     }
 
     // note: this isn't fast but it's meant to be executed very rarely
-    Map const *map = MapManager::Instance().CreateBaseMap(mapid);          // _not_ include difficulty
+    Map const *map = sMapMgr.CreateBaseMap(mapid);          // _not_ include difficulty
     MapInstanced::InstancedMaps &instMaps = ((MapInstanced*)map)->GetInstancedMaps();
     MapInstanced::InstancedMaps::iterator mitr;
     for (mitr = instMaps.begin(); mitr != instMaps.end(); ++mitr)
diff --git a/src/server/game/Instances/InstanceSaveMgr.h b/src/server/game/Instances/InstanceSaveMgr.h
index 3d8bfb70ebf..66751cc4f10 100644
--- a/src/server/game/Instances/InstanceSaveMgr.h
+++ b/src/server/game/Instances/InstanceSaveMgr.h
@@ -23,7 +23,7 @@
 #define __InstanceSaveMgr_H
 
 #include "Define.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "ace/Thread_Mutex.h"
 #include <list>
 #include <map>
@@ -117,13 +117,14 @@ class InstanceSave
 
 typedef UNORDERED_MAP<uint32 /*PAIR32(map,difficulty)*/,time_t /*resetTime*/> ResetTimeByMapDifficultyMap;
 
-class InstanceSaveManager : public Trinity::Singleton<InstanceSaveManager, Trinity::ClassLevelLockable<InstanceSaveManager, ACE_Thread_Mutex> >
+class InstanceSaveManager
 {
+    friend class ACE_Singleton<InstanceSaveManager, ACE_Null_Mutex>;
     friend class InstanceSave;
     public:
-        InstanceSaveManager();
+        InstanceSaveManager() : lock_instLists(false) {};        
         ~InstanceSaveManager();
-
+        
         typedef UNORDERED_MAP<uint32 /*InstanceId*/, InstanceSave*> InstanceSaveHashMap;
         typedef UNORDERED_MAP<uint32 /*mapId*/, InstanceSaveHashMap> InstanceSaveMapMap;
 
@@ -176,6 +177,7 @@ class InstanceSaveManager : public Trinity::Singleton<InstanceSaveManager, Trini
         uint32 GetNumBoundGroupsTotal();
 
     private:
+        
         void _ResetOrWarnAll(uint32 mapid, Difficulty difficulty, bool warn, uint32 timeleft);
         void _ResetInstance(uint32 mapid, uint32 instanceId);
         void _ResetSave(InstanceSaveHashMap::iterator &itr);
@@ -189,5 +191,5 @@ class InstanceSaveManager : public Trinity::Singleton<InstanceSaveManager, Trini
         ResetTimeQueue m_resetTimeQueue;
 };
 
-#define sInstanceSaveManager Trinity::Singleton<InstanceSaveManager>::Instance()
+#define sInstanceSaveManager (*ACE_Singleton<InstanceSaveManager, ACE_Thread_Mutex>::instance())
 #endif
diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index a0656bee38c..960e1e4cef4 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -325,7 +325,7 @@ void Map::DeleteFromWorld(T* obj)
 template<>
 void Map::DeleteFromWorld(Player* pl)
 {
-    ObjectAccessor::Instance().RemoveObject(pl);
+    sObjectAccessor.RemoveObject(pl);
     delete pl;
 }
 
@@ -334,7 +334,7 @@ Map::EnsureGridCreated(const GridPair &p)
 {
     if (!getNGrid(p.x_coord, p.y_coord))
     {
-        Guard guard(*this);
+        ACE_GUARD(ACE_Thread_Mutex, Guard, Lock);
         if (!getNGrid(p.x_coord, p.y_coord))
         {
             sLog.outDebug("Creating grid[%u,%u] for map %u instance %u", p.x_coord, p.y_coord, GetId(), i_InstanceId);
@@ -395,7 +395,7 @@ bool Map::EnsureGridLoaded(const Cell &cell)
         loader.LoadN();
 
         // Add resurrectable corpses to world object list in grid
-        ObjectAccessor::Instance().AddCorpsesToGrid(GridPair(cell.GridX(),cell.GridY()),(*grid)(cell.CellX(), cell.CellY()), this);
+        sObjectAccessor.AddCorpsesToGrid(GridPair(cell.GridX(),cell.GridY()),(*grid)(cell.CellX(), cell.CellY()), this);
 
         setGridObjectDataLoaded(true,cell.GridX(), cell.GridY());
         return true;
@@ -828,7 +828,7 @@ bool Map::RemoveBones(uint64 guid, float x, float y)
 {
     if (IsRemovalGrid(x, y))
     {
-        Corpse * corpse = ObjectAccessor::Instance().GetObjectInWorld(GetId(), x, y, guid, (Corpse*)NULL);
+        Corpse * corpse = sObjectAccessor.GetObjectInWorld(GetId(), x, y, guid, (Corpse*)NULL);
         if (corpse && corpse->GetTypeId() == TYPEID_CORPSE && corpse->GetType() == CORPSE_BONES)
             corpse->DeleteBonesFromWorld();
         else
@@ -2069,7 +2069,7 @@ void Map::SendInitSelf(Player * player)
 void Map::SendInitTransports(Player * player)
 {
     // Hack to send out transports
-    MapManager::TransportMap& tmap = MapManager::Instance().m_TransportsByMap;
+    MapManager::TransportMap& tmap = sMapMgr.m_TransportsByMap;
 
     // no transports at map
     if (tmap.find(player->GetMapId()) == tmap.end())
@@ -2096,7 +2096,7 @@ void Map::SendInitTransports(Player * player)
 void Map::SendRemoveTransports(Player * player)
 {
     // Hack to send out transports
-    MapManager::TransportMap& tmap = MapManager::Instance().m_TransportsByMap;
+    MapManager::TransportMap& tmap = sMapMgr.m_TransportsByMap;
 
     // no transports at map
     if (tmap.find(player->GetMapId()) == tmap.end())
@@ -2196,7 +2196,7 @@ void Map::RemoveAllObjectsInRemoveList()
         {
             case TYPEID_CORPSE:
             {
-                Corpse* corpse = ObjectAccessor::Instance().GetCorpse(*obj, obj->GetGUID());
+                Corpse* corpse = sObjectAccessor.GetCorpse(*obj, obj->GetGUID());
                 if (!corpse)
                     sLog.outError("Tried to delete corpse/bones %u that is not in map.", obj->GetGUIDLow());
                 else
@@ -2408,7 +2408,7 @@ bool InstanceMap::Add(Player *player)
     // Is it needed?
 
     {
-        Guard guard(*this);
+        ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, Lock, false);
         // Check moved to void WorldSession::HandleMoveWorldportAckOpcode()
         //if (!CanEnter(player))
             //return false;
@@ -2733,7 +2733,7 @@ bool BattleGroundMap::CanEnter(Player * player)
 bool BattleGroundMap::Add(Player * player)
 {
     {
-        Guard guard(*this);
+        ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, Lock, false);
         //Check moved to void WorldSession::HandleMoveWorldportAckOpcode()
         //if (!CanEnter(player))
             //return false;
@@ -2877,7 +2877,7 @@ void Map::ScriptsProcess()
                     source = HashMapHolder<Corpse>::Find(step.sourceGUID);
                     break;
                 case HIGHGUID_MO_TRANSPORT:
-                    for (MapManager::TransportSet::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
+                    for (MapManager::TransportSet::iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
                     {
                         if ((*iter)->GetGUID() == step.sourceGUID)
                         {
diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index d17dc10ec07..4d25381fbe1 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -22,7 +22,6 @@
 #define TRINITY_MAP_H
 
 #include "Define.h"
-#include "ThreadingModel.h"
 #include "ace/RW_Thread_Mutex.h"
 #include "ace/Thread_Mutex.h"
 
@@ -239,7 +238,7 @@ typedef UNORDERED_MAP<Creature*, CreatureMover> CreatureMoveList;
 
 typedef std::map<uint32/*leaderDBGUID*/, CreatureGroup*>        CreatureGroupHolderType;
 
-class Map : public GridRefManager<NGridType>, public Trinity::ObjectLevelLockable<Map, ACE_Thread_Mutex>
+class Map : public GridRefManager<NGridType>
 {
     friend class MapReference;
     public:
@@ -490,7 +489,7 @@ class Map : public GridRefManager<NGridType>, public Trinity::ObjectLevelLockabl
     protected:
         void SetUnloadReferenceLock(const GridPair &p, bool on) { getNGrid(p.x_coord, p.y_coord)->setUnloadReferenceLock(on); }
 
-        typedef Trinity::ObjectLevelLockable<Map, ACE_Thread_Mutex>::Lock Guard;
+        ACE_Thread_Mutex Lock;
 
         MapEntry const* i_mapEntry;
         uint8 i_spawnMode;
diff --git a/src/server/game/Maps/MapInstanced.cpp b/src/server/game/Maps/MapInstanced.cpp
index 0736bfa6fb3..008baeb79d9 100644
--- a/src/server/game/Maps/MapInstanced.cpp
+++ b/src/server/game/Maps/MapInstanced.cpp
@@ -170,7 +170,7 @@ Map* MapInstanced::CreateInstance(const uint32 mapId, Player * player)
         {
             // if no instanceId via group members or instance saves is found
             // the instance will be created for the first time
-            NewInstanceId = MapManager::Instance().GenerateInstanceId();
+            NewInstanceId = sMapMgr.GenerateInstanceId();
 
             Difficulty diff = player->GetGroup() ? player->GetGroup()->GetDifficulty(IsRaid()) : player->GetDifficulty(IsRaid());
             map = CreateInstance(NewInstanceId, NULL, diff);
@@ -183,7 +183,7 @@ Map* MapInstanced::CreateInstance(const uint32 mapId, Player * player)
 InstanceMap* MapInstanced::CreateInstance(uint32 InstanceId, InstanceSave *save, Difficulty difficulty)
 {
     // load/create a map
-    Guard guard(*this);
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, Guard, Lock, NULL);
 
     // make sure we have a valid map id
     const MapEntry* entry = sMapStore.LookupEntry(GetId());
@@ -219,7 +219,7 @@ InstanceMap* MapInstanced::CreateInstance(uint32 InstanceId, InstanceSave *save,
 BattleGroundMap* MapInstanced::CreateBattleGround(uint32 InstanceId, BattleGround* bg)
 {
     // load/create a map
-    Guard guard(*this);
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, Guard, Lock, NULL);
 
     sLog.outDebug("MapInstanced::CreateBattleGround: map bg %d for %d created.", InstanceId, GetId());
 
diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index 42233db4a9a..46b604388c5 100644
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -20,7 +20,6 @@
 
 #include "MapManager.h"
 #include "InstanceSaveMgr.h"
-#include "SingletonImp.h"
 #include "DatabaseEnv.h"
 #include "Log.h"
 #include "ObjectAccessor.h"
@@ -37,10 +36,6 @@
 #include "Language.h"
 #include "WorldPacket.h"
 
-#define CLASS_LOCK Trinity::ClassLevelLockable<MapManager, ACE_Thread_Mutex>
-INSTANTIATE_SINGLETON_2(MapManager, CLASS_LOCK);
-INSTANTIATE_CLASS_MUTEX(MapManager, ACE_Thread_Mutex);
-
 extern GridState* si_GridStates[];                          // debugging code, should be deleted some day
 
 MapManager::MapManager()
@@ -116,7 +111,7 @@ Map* MapManager::_createBaseMap(uint32 id)
 
     if (m == NULL)
     {
-        Guard guard(*this);
+        ACE_GUARD_RETURN(ACE_Thread_Mutex, Guard, Lock, NULL);
 
         const MapEntry* entry = sMapStore.LookupEntry(id);
         if (entry && entry->Instanceable())
@@ -236,7 +231,7 @@ bool MapManager::CanPlayerEnter(uint32 mapid, Player* player, bool loginCheck)
         InstanceGroupBind* boundedInstance = pGroup->GetBoundInstance(player);
         if (boundedInstance && boundedInstance->save)
         {
-            if (Map *boundedMap = MapManager::Instance().FindMap(mapid,boundedInstance->save->GetInstanceId()))
+            if (Map *boundedMap = sMapMgr.FindMap(mapid,boundedInstance->save->GetInstanceId()))
             {
                 // Player permanently bounded to different instance than groups one
                 InstancePlayerBind* playerBoundedInstance = player->GetBoundInstance(mapid, player->GetDungeonDifficulty());
@@ -307,7 +302,7 @@ void MapManager::Update(uint32 diff)
     for (iter = i_maps.begin(); iter != i_maps.end(); ++iter)
         iter->second->DelayedUpdate(i_timer.GetCurrent());
 
-    ObjectAccessor::Instance().Update(i_timer.GetCurrent());
+    sObjectAccessor.Update(i_timer.GetCurrent());
     for (TransportSet::iterator iter = m_Transports.begin(); iter != m_Transports.end(); ++iter)
         (*iter)->Update(i_timer.GetCurrent());
 
@@ -361,7 +356,7 @@ void MapManager::InitMaxInstanceId()
 
 uint32 MapManager::GetNumInstances()
 {
-    Guard guard(*this);
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, Guard, Lock, NULL);
 
     uint32 ret = 0;
     for (MapMapType::iterator itr = i_maps.begin(); itr != i_maps.end(); ++itr)
@@ -378,7 +373,7 @@ uint32 MapManager::GetNumInstances()
 
 uint32 MapManager::GetNumPlayersInInstances()
 {
-    Guard guard(*this);
+    ACE_GUARD_RETURN(ACE_Thread_Mutex, Guard, Lock, NULL);
 
     uint32 ret = 0;
     for (MapMapType::iterator itr = i_maps.begin(); itr != i_maps.end(); ++itr)
diff --git a/src/server/game/Maps/MapManager.h b/src/server/game/Maps/MapManager.h
index c3380811c18..47cb9d2f795 100644
--- a/src/server/game/Maps/MapManager.h
+++ b/src/server/game/Maps/MapManager.h
@@ -22,7 +22,7 @@
 #define TRINITY_MAPMANAGER_H
 
 #include "Define.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "ace/Thread_Mutex.h"
 #include "Common.h"
 #include "Map.h"
@@ -31,10 +31,9 @@
 
 class Transport;
 
-class MapManager : public Trinity::Singleton<MapManager, Trinity::ClassLevelLockable<MapManager, ACE_Thread_Mutex> >
+class MapManager
 {
-
-    friend class Trinity::OperatorNew<MapManager>;
+    friend class ACE_Singleton<MapManager, ACE_Thread_Mutex>;
     typedef UNORDERED_MAP<uint32, Map*> MapMapType;
     typedef std::pair<UNORDERED_MAP<uint32, Map*>::iterator, bool>  MapMapPair;
 
@@ -162,7 +161,7 @@ class MapManager : public Trinity::Singleton<MapManager, Trinity::ClassLevelLock
             return (iter == i_maps.end() ? NULL : iter->second);
         }
 
-        typedef Trinity::ClassLevelLockable<MapManager, ACE_Thread_Mutex>::Lock Guard;
+        ACE_Thread_Mutex Lock;
         uint32 i_gridCleanUpDelay;
         MapMapType i_maps;
         IntervalTimer i_timer;
@@ -170,4 +169,5 @@ class MapManager : public Trinity::Singleton<MapManager, Trinity::ClassLevelLock
         uint32 i_MaxInstanceId;
         MapUpdater m_updater;
 };
+#define sMapMgr (*ACE_Singleton<MapManager, ACE_Thread_Mutex>::instance())
 #endif
diff --git a/src/server/game/Movement/MovementGenerator.h b/src/server/game/Movement/MovementGenerator.h
index 650b4fc3196..9699f6951c2 100644
--- a/src/server/game/Movement/MovementGenerator.h
+++ b/src/server/game/Movement/MovementGenerator.h
@@ -22,7 +22,7 @@
 #define TRINITY_MOVEMENTGENERATOR_H
 
 #include "Define.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "ObjectRegistry.h"
 #include "FactoryHolder.h"
 #include "Common.h"
diff --git a/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp b/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
index 4cadfe1cfb6..416b775ef7e 100644
--- a/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
+++ b/src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.cpp
@@ -343,7 +343,7 @@ void FlightPathMovementGenerator::InitEndGridInfo()
 void FlightPathMovementGenerator::PreloadEndGrid()
 {
     // used to preload the final grid where the flightmaster is
-    Map *endMap = MapManager::Instance().FindMap(m_endMapId);
+    Map *endMap = sMapMgr.FindMap(m_endMapId);
 
     // Load the grid
     if (endMap)
diff --git a/src/server/game/OutdoorPvP/OutdoorPvP.cpp b/src/server/game/OutdoorPvP/OutdoorPvP.cpp
index 71659a20be7..b19dc01ccd9 100644
--- a/src/server/game/OutdoorPvP/OutdoorPvP.cpp
+++ b/src/server/game/OutdoorPvP/OutdoorPvP.cpp
@@ -165,7 +165,7 @@ bool OPvPCapturePoint::DelCreature(uint32 type)
     // explicit removal from map
     // beats me why this is needed, but with the recent removal "cleanup" some creatures stay in the map if "properly" deleted
     // so this is a big fat workaround, if AddObjectToRemoveList and DoDelayedMovesAndRemoves worked correctly, this wouldn't be needed
-    //if (Map * map = MapManager::Instance().FindMap(cr->GetMapId()))
+    //if (Map * map = sMapMgr.FindMap(cr->GetMapId()))
     //    map->Remove(cr,false);
     // delete respawn time for this creature
     WorldDatabase.PExecute("DELETE FROM creature_respawn WHERE guid = '%u'", guid);
diff --git a/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp b/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
index f9dbedb30dc..1ec2bcb6a9c 100644
--- a/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
+++ b/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
@@ -25,9 +25,6 @@
 #include "OutdoorPvPEP.h"
 #include "ObjectMgr.h"
 #include "Player.h"
-#include "SingletonImp.h"
-
-INSTANTIATE_SINGLETON_1(OutdoorPvPMgr);
 
 OutdoorPvPMgr::OutdoorPvPMgr()
 {
diff --git a/src/server/game/OutdoorPvP/OutdoorPvPMgr.h b/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
index a78583100ec..2a18a602da9 100644
--- a/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
+++ b/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
@@ -22,7 +22,7 @@
 #define OUTDOORPVP_OBJECTIVE_UPDATE_INTERVAL 1000
 
 #include "OutdoorPvP.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 
 class Player;
 class GameObject;
@@ -79,7 +79,7 @@ private:
     uint32 m_UpdateTimer;
 };
 
-#define sOutdoorPvPMgr Trinity::Singleton<OutdoorPvPMgr>::Instance()
+#define sOutdoorPvPMgr (*ACE_Singleton<OutdoorPvPMgr, ACE_Null_Mutex>::instance())
 
 #endif /*OUTDOOR_PVP_MGR_H_*/
 
diff --git a/src/server/game/Pools/PoolHandler.cpp b/src/server/game/Pools/PoolHandler.cpp
index 731d71c6b19..4a7c99216bd 100644
--- a/src/server/game/Pools/PoolHandler.cpp
+++ b/src/server/game/Pools/PoolHandler.cpp
@@ -21,9 +21,6 @@
 #include "ProgressBar.h"
 #include "Log.h"
 #include "MapManager.h"
-#include "SingletonImp.h"
-
-INSTANTIATE_SINGLETON_1(PoolHandler);
 
 ////////////////////////////////////////////////////////////
 // template class SpawnedPoolData
@@ -201,7 +198,7 @@ void PoolGroup<Creature>::Despawn1Object(uint32 guid)
     {
         objmgr.RemoveCreatureFromGrid(guid, data);
 
-        if (Creature* pCreature = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(guid, data->id, HIGHGUID_UNIT), (Creature*)NULL))
+        if (Creature* pCreature = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(guid, data->id, HIGHGUID_UNIT), (Creature*)NULL))
             pCreature->AddObjectToRemoveList();
     }
 }
@@ -214,7 +211,7 @@ void PoolGroup<GameObject>::Despawn1Object(uint32 guid)
     {
         objmgr.RemoveGameobjectFromGrid(guid, data);
 
-        if (GameObject* pGameobject = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(guid, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
+        if (GameObject* pGameobject = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(guid, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
             pGameobject->AddObjectToRemoveList();
     }
 }
@@ -297,7 +294,7 @@ void PoolGroup<Creature>::Spawn1Object(PoolObject* obj)
         objmgr.AddCreatureToGrid(obj->guid, data);
 
         // Spawn if necessary (loaded grids only)
-        Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(data->mapid));
+        Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(data->mapid));
         // We use spawn coords to spawn
         if (!map->Instanceable() && map->IsLoaded(data->posX, data->posY))
         {
@@ -323,7 +320,7 @@ void PoolGroup<GameObject>::Spawn1Object(PoolObject* obj)
         objmgr.AddGameobjectToGrid(obj->guid, data);
         // Spawn if necessary (loaded grids only)
         // this base map checked as non-instanced and then only existed
-        Map* map = const_cast<Map*>(MapManager::Instance().CreateBaseMap(data->mapid));
+        Map* map = const_cast<Map*>(sMapMgr.CreateBaseMap(data->mapid));
         // We use current coords to unspawn, not spawn coords since creature can have changed grid
         if (!map->Instanceable() && map->IsLoaded(data->posX, data->posY))
         {
@@ -355,7 +352,7 @@ template <>
 void PoolGroup<Creature>::ReSpawn1Object(PoolObject* obj)
 {
     if (CreatureData const* data = objmgr.GetCreatureData(obj->guid))
-        if (Creature* pCreature = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(obj->guid, data->id, HIGHGUID_UNIT), (Creature*)NULL))
+        if (Creature* pCreature = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(obj->guid, data->id, HIGHGUID_UNIT), (Creature*)NULL))
             pCreature->GetMap()->Add(pCreature);
 }
 
@@ -364,7 +361,7 @@ template <>
 void PoolGroup<GameObject>::ReSpawn1Object(PoolObject* obj)
 {
     if (GameObjectData const* data = objmgr.GetGOData(obj->guid))
-        if (GameObject* pGameobject = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(obj->guid, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
+        if (GameObject* pGameobject = sObjectAccessor.GetObjectInWorld(MAKE_NEW_GUID(obj->guid, data->id, HIGHGUID_GAMEOBJECT), (GameObject*)NULL))
             pGameobject->GetMap()->Add(pGameobject);
 }
 
diff --git a/src/server/game/Pools/PoolHandler.h b/src/server/game/Pools/PoolHandler.h
index df62badd9c8..156bc47a2a9 100644
--- a/src/server/game/Pools/PoolHandler.h
+++ b/src/server/game/Pools/PoolHandler.h
@@ -20,7 +20,7 @@
 #define TRINITY_POOLHANDLER_H
 
 #include "Define.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "Creature.h"
 #include "GameObject.h"
 
@@ -89,10 +89,11 @@ class PoolGroup
 
 class PoolHandler
 {
-    public:
-        PoolHandler();
-        ~PoolHandler() {};
+    friend class ACE_Singleton<PoolHandler, ACE_Null_Mutex>;
+    PoolHandler();
+    ~PoolHandler() {};
 
+    public:
         void LoadFromDB();
         void Initialize();
 
@@ -134,7 +135,7 @@ class PoolHandler
         SpawnedPoolData mSpawnedData;
 };
 
-#define poolhandler Trinity::Singleton<PoolHandler>::Instance()
+#define poolhandler (*ACE_Singleton<PoolHandler, ACE_Null_Mutex>::instance())
 
 // Method that tell if the creature is part of a pool and return the pool id if yes
 template<>
diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index 88e5b7284c0..70b1ff6be64 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -10,9 +10,6 @@
 #include "ProgressBar.h"
 #include "ScriptLoader.h"
 #include "ScriptSystem.h"
-#include "SingletonImp.h"
-
-INSTANTIATE_SINGLETON_1(ScriptMgr);
 
 int num_sc_scripts;
 Script *m_scripts[MAX_SCRIPTS];
diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index 250bbf5526a..bcb26381809 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -94,8 +94,9 @@ struct Script
 
 class ScriptMgr
 {
+    friend class ACE_Singleton<ScriptMgr, ACE_Null_Mutex>;
+    ScriptMgr();
     public:
-        ScriptMgr();
         ~ScriptMgr();
 
         void ScriptsInit();
@@ -158,6 +159,6 @@ void DoScriptText(int32 textEntry, WorldObject* pSource, Unit *pTarget = NULL);
 #define FUNC_PTR(name, callconvention, returntype, parameters)    typedef returntype(callconvention *name)parameters;
 #endif
 
-#define sScriptMgr Trinity::Singleton<ScriptMgr>::Instance()
+#define sScriptMgr (*ACE_Singleton<ScriptMgr, ACE_Null_Mutex>::instance())
 #endif
 
diff --git a/src/server/game/Server/Protocol/Handlers/AddonHandler.cpp b/src/server/game/Server/Protocol/Handlers/AddonHandler.cpp
index b54c119270f..13fbd266ea4 100644
--- a/src/server/game/Server/Protocol/Handlers/AddonHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/AddonHandler.cpp
@@ -19,16 +19,11 @@
  */
 
 #include "zlib.h"
-
 #include "AddonHandler.h"
 #include "DatabaseEnv.h"
-#include "SingletonImp.h"
 #include "Opcodes.h"
-
 #include "Log.h"
 
-INSTANTIATE_SINGLETON_1( AddonHandler );
-
 AddonHandler::AddonHandler()
 {
 }
diff --git a/src/server/game/Server/Protocol/Handlers/AddonHandler.h b/src/server/game/Server/Protocol/Handlers/AddonHandler.h
index 2c9394c947d..68620751da3 100644
--- a/src/server/game/Server/Protocol/Handlers/AddonHandler.h
+++ b/src/server/game/Server/Protocol/Handlers/AddonHandler.h
@@ -23,19 +23,20 @@
 
 #include "Common.h"
 #include "ConfigEnv.h"
-#include "Singleton.h"
-
+#include "ace/Singleton.h"
 #include "WorldPacket.h"
 
 class AddonHandler
 {
+    /* Construction */
+    friend class ACE_Singleton<AddonHandler, ACE_Null_Mutex>;
+    AddonHandler();
+    
     public:
-        /* Construction */
-        AddonHandler();
         ~AddonHandler();
-                                                            //built addon packet
+                                                            //build addon packet
         bool BuildAddonPacket(WorldPacket* Source, WorldPacket* Target);
 };
-#define sAddOnHandler Trinity::Singleton<AddonHandler>::Instance()
+#define sAddOnHandler ACE_Singleton<AddonHandler, ACE_Null_Mutex>::instance()
 #endif
 
diff --git a/src/server/game/Server/Protocol/Handlers/ArenaTeamHandler.cpp b/src/server/game/Server/Protocol/Handlers/ArenaTeamHandler.cpp
index 1d93090d255..3c26e17bddd 100644
--- a/src/server/game/Server/Protocol/Handlers/ArenaTeamHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/ArenaTeamHandler.cpp
@@ -91,7 +91,7 @@ void WorldSession::HandleArenaTeamInviteOpcode(WorldPacket & recv_data)
         if (!normalizePlayerName(Invitedname))
             return;
 
-        player = ObjectAccessor::Instance().FindPlayerByName(Invitedname.c_str());
+        player = sObjectAccessor.FindPlayerByName(Invitedname.c_str());
     }
 
     if (!player)
diff --git a/src/server/game/Server/Protocol/Handlers/ChannelHandler.cpp b/src/server/game/Server/Protocol/Handlers/ChannelHandler.cpp
index 73f01f46c4c..442fe55b194 100644
--- a/src/server/game/Server/Protocol/Handlers/ChannelHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/ChannelHandler.cpp
@@ -18,8 +18,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "SingletonImp.h"
-
 #include "ObjectMgr.h"                                      // for normalizePlayerName
 #include "ChannelMgr.h"
 
diff --git a/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp b/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
index 141f3605ee2..ca08d197c3f 100644
--- a/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
@@ -719,7 +719,7 @@ void WorldSession::HandlePlayerLogin(LoginQueryHolder * holder)
             pCurrChar->TeleportTo(pCurrChar->m_homebindMapId, pCurrChar->m_homebindX, pCurrChar->m_homebindY, pCurrChar->m_homebindZ, pCurrChar->GetOrientation());
     }
 
-    ObjectAccessor::Instance().AddObject(pCurrChar);
+    sObjectAccessor.AddObject(pCurrChar);
     //sLog.outDebug("Player %s added to Map.",pCurrChar->GetName());
 
     pCurrChar->SendInitialPacketsAfterAddToMap();
diff --git a/src/server/game/Server/Protocol/Handlers/GuildHandler.cpp b/src/server/game/Server/Protocol/Handlers/GuildHandler.cpp
index 6803fe63a86..4db1961e7af 100644
--- a/src/server/game/Server/Protocol/Handlers/GuildHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/GuildHandler.cpp
@@ -75,7 +75,7 @@ void WorldSession::HandleGuildInviteOpcode(WorldPacket& recvPacket)
     recvPacket >> Invitedname;
 
     if (normalizePlayerName(Invitedname))
-        player = ObjectAccessor::Instance().FindPlayerByName(Invitedname.c_str());
+        player = sObjectAccessor.FindPlayerByName(Invitedname.c_str());
 
     if (!player)
     {
diff --git a/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp b/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
index e4d329e6afc..3bc5e8d507f 100644
--- a/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/MiscHandler.cpp
@@ -232,8 +232,8 @@ void WorldSession::HandleWhoOpcode(WorldPacket & recv_data)
     data << uint32(clientcount);                            // clientcount place holder, listed count
     data << uint32(clientcount);                            // clientcount place holder, online count
 
-    ObjectAccessor::Guard guard(*HashMapHolder<Player>::GetLock());
-    HashMapHolder<Player>::MapType& m = ObjectAccessor::Instance().GetPlayers();
+    ACE_GUARD(ACE_Thread_Mutex, g, *HashMapHolder<Player>::GetLock());
+    HashMapHolder<Player>::MapType& m = sObjectAccessor.GetPlayers();
     for (HashMapHolder<Player>::MapType::const_iterator itr = m.begin(); itr != m.end(); ++itr)
     {
         if (security == SEC_PLAYER)
@@ -935,7 +935,7 @@ void WorldSession::HandleAreaTriggerOpcode(WorldPacket & recv_data)
         return;
 
     // check if player can enter instance : instance not full, and raid instance not in encounter fight
-    if (!MapManager::Instance().CanPlayerEnter(at->target_mapId, GetPlayer(), false))
+    if (!sMapMgr.CanPlayerEnter(at->target_mapId, GetPlayer(), false))
         return;
 
     GetPlayer()->TeleportTo(at->target_mapId,at->target_X,at->target_Y,at->target_Z,at->target_Orientation,TELE_TO_NOT_LEAVE_TRANSPORT);
diff --git a/src/server/game/Server/Protocol/Handlers/MovementHandler.cpp b/src/server/game/Server/Protocol/Handlers/MovementHandler.cpp
index 1b850434726..56a8c9cd6da 100644
--- a/src/server/game/Server/Protocol/Handlers/MovementHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/MovementHandler.cpp
@@ -75,7 +75,7 @@ void WorldSession::HandleMoveWorldportAckOpcode()
     }
 
     // relocate the player to the teleport destination
-    Map * newMap = MapManager::Instance().CreateMap(loc.GetMapId(), GetPlayer(), 0);
+    Map * newMap = sMapMgr.CreateMap(loc.GetMapId(), GetPlayer(), 0);
     // the CanEnter checks are done in TeleporTo but conditions may change
     // while the player is in transit, for example the map may get full
     if (!newMap || !newMap->CanEnter(GetPlayer()))
@@ -302,7 +302,7 @@ void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
         if (plMover && !plMover->GetTransport())
         {
             // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
-            for (MapManager::TransportSet::const_iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
+            for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
             {
                 if ((*iter)->GetGUID() == movementInfo.t_guid)
                 {
diff --git a/src/server/game/Server/Protocol/Handlers/QueryHandler.cpp b/src/server/game/Server/Protocol/Handlers/QueryHandler.cpp
index 05cbcf81f2f..fc2c3baf735 100644
--- a/src/server/game/Server/Protocol/Handlers/QueryHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/QueryHandler.cpp
@@ -302,7 +302,7 @@ void WorldSession::HandleCorpseQueryOpcode(WorldPacket & /*recv_data*/)
             if (corpseMapEntry->IsDungeon() && corpseMapEntry->entrance_map >= 0)
             {
                 // if corpse map have entrance
-                if (Map const* entranceMap = MapManager::Instance().CreateBaseMap(corpseMapEntry->entrance_map))
+                if (Map const* entranceMap = sMapMgr.CreateBaseMap(corpseMapEntry->entrance_map))
                 {
                     mapid = corpseMapEntry->entrance_map;
                     x = corpseMapEntry->entrance_x;
diff --git a/src/server/game/Server/Protocol/WorldLog.cpp b/src/server/game/Server/Protocol/WorldLog.cpp
index a9000f8e65c..e66bff0b504 100644
--- a/src/server/game/Server/Protocol/WorldLog.cpp
+++ b/src/server/game/Server/Protocol/WorldLog.cpp
@@ -23,14 +23,9 @@
 */
 
 #include "WorldLog.h"
-#include "SingletonImp.h"
 #include "ConfigEnv.h"
 #include "Log.h"
 
-#define CLASS_LOCK Trinity::ClassLevelLockable<WorldLog, ACE_Thread_Mutex>
-INSTANTIATE_SINGLETON_2(WorldLog, CLASS_LOCK);
-INSTANTIATE_CLASS_MUTEX(WorldLog, ACE_Thread_Mutex);
-
 WorldLog::WorldLog() : i_file(NULL)
 {
     Initialize();
@@ -67,7 +62,7 @@ void WorldLog::outTimestampLog(char const *fmt, ...)
 {
     if (LogWorld())
     {
-        Guard guard(*this);
+        ACE_GUARD(ACE_Thread_Mutex, Guard, Lock);
         ASSERT(i_file);
 
         Log::outTimestamp(i_file);
@@ -95,7 +90,7 @@ void WorldLog::outLog(char const *fmt, ...)
 {
     if (LogWorld())
     {
-        Guard guard(*this);
+        ACE_GUARD(ACE_Thread_Mutex, Guard, Lock);
         ASSERT(i_file);
 
         va_list args;
@@ -117,6 +112,3 @@ void WorldLog::outLog(char const *fmt, ...)
         va_end(ap2);
     }
 }
-
-#define sWorldLog WorldLog::Instance()
-
diff --git a/src/server/game/Server/Protocol/WorldLog.h b/src/server/game/Server/Protocol/WorldLog.h
index 8a3c96b3b15..fd228ce4559 100644
--- a/src/server/game/Server/Protocol/WorldLog.h
+++ b/src/server/game/Server/Protocol/WorldLog.h
@@ -26,19 +26,19 @@
 #define TRINITY_WORLDLOG_H
 
 #include "Common.h"
-#include "Singleton.h"
+#include "ace/Singleton.h"
 #include "Errors.h"
 
 #include <stdarg.h>
 
 /// %Log packets to a file
-class WorldLog : public Trinity::Singleton<WorldLog, Trinity::ClassLevelLockable<WorldLog, ACE_Thread_Mutex> >
+class WorldLog
 {
-    friend class Trinity::OperatorNew<WorldLog>;
+    friend class ACE_Singleton<WorldLog, ACE_Thread_Mutex>;
     WorldLog();
     WorldLog(const WorldLog &);
     WorldLog& operator=(const WorldLog &);
-    typedef Trinity::ClassLevelLockable<WorldLog, ACE_Thread_Mutex>::Lock Guard;
+    ACE_Thread_Mutex Lock;
 
     /// Close the file in destructor
     ~WorldLog();
@@ -57,7 +57,7 @@ class WorldLog : public Trinity::Singleton<WorldLog, Trinity::ClassLevelLockable
         bool m_dbWorld;
 };
 
-#define sWorldLog WorldLog::Instance()
+#define sWorldLog (*ACE_Singleton<WorldLog, ACE_Thread_Mutex>::instance())
 #endif
 /// @}
 
diff --git a/src/server/game/Skills/SkillDiscovery.cpp b/src/server/game/Skills/SkillDiscovery.cpp
index f0bfb5bc0ba..fb34cff150c 100644
--- a/src/server/game/Skills/SkillDiscovery.cpp
+++ b/src/server/game/Skills/SkillDiscovery.cpp
@@ -21,7 +21,6 @@
 #include "DatabaseEnv.h"
 #include "Log.h"
 #include "ProgressBar.h"
-#include "SingletonImp.h"
 #include "World.h"
 #include "Util.h"
 #include "SkillDiscovery.h"
diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index 7a975f021ff..a62e602fe49 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -41,7 +41,6 @@
 #include "MapManager.h"
 #include "ObjectAccessor.h"
 #include "CellImpl.h"
-#include "SingletonImp.h"
 #include "SharedDefines.h"
 #include "LootMgr.h"
 #include "VMapFactory.h"
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index f89a0650729..19702f1b8f7 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -1164,7 +1164,7 @@ void SpellMgr::LoadSpellTargetPositions()
                 // additional requirements
                 if (spellInfo->Effect[i]==SPELL_EFFECT_BIND && spellInfo->EffectMiscValue[i])
                 {
-                    uint32 area_id = MapManager::Instance().GetAreaId(st.target_mapId, st.target_X, st.target_Y, st.target_Z);
+                    uint32 area_id = sMapMgr.GetAreaId(st.target_mapId, st.target_X, st.target_Y, st.target_Z);
                     if (area_id != uint32(spellInfo->EffectMiscValue[i]))
                     {
                         sLog.outErrorDb("Spell (Id: %u) listed in `spell_target_position` expected point to zone %u bit point to zone %u.",Spell_ID, spellInfo->EffectMiscValue[i], area_id);
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 2b6f84fbc1e..7d0b91e38de 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -48,7 +48,6 @@
 #include "ItemEnchantmentMgr.h"
 #include "MapManager.h"
 #include "CreatureAIRegistry.h"
-#include "SingletonImp.h"
 #include "BattleGroundMgr.h"
 #include "OutdoorPvPMgr.h"
 #include "TemporarySummon.h"
@@ -72,8 +71,6 @@
 #include "LFGMgr.h"
 #include "ConditionMgr.h"
 
-INSTANTIATE_SINGLETON_1(World);
-
 volatile bool World::m_stopEvent = false;
 uint8 World::m_ExitCode = SHUTDOWN_EXIT_CODE;
 volatile uint32 World::m_worldLoopCounter = 0;
@@ -635,7 +632,7 @@ void World::LoadConfigSettings(bool reload)
         m_configs[CONFIG_INTERVAL_GRIDCLEAN] = MIN_GRID_DELAY;
     }
     if (reload)
-        MapManager::Instance().SetGridCleanUpDelay(m_configs[CONFIG_INTERVAL_GRIDCLEAN]);
+        sMapMgr.SetGridCleanUpDelay(m_configs[CONFIG_INTERVAL_GRIDCLEAN]);
 
     m_configs[CONFIG_INTERVAL_MAPUPDATE] = sConfig.GetIntDefault("MapUpdateInterval", 100);
     if (m_configs[CONFIG_INTERVAL_MAPUPDATE] < MIN_MAP_UPDATE_DELAY)
@@ -644,7 +641,7 @@ void World::LoadConfigSettings(bool reload)
         m_configs[CONFIG_INTERVAL_MAPUPDATE] = MIN_MAP_UPDATE_DELAY;
     }
     if (reload)
-        MapManager::Instance().SetMapUpdateInterval(m_configs[CONFIG_INTERVAL_MAPUPDATE]);
+        sMapMgr.SetMapUpdateInterval(m_configs[CONFIG_INTERVAL_MAPUPDATE]);
 
     m_configs[CONFIG_INTERVAL_CHANGEWEATHER] = sConfig.GetIntDefault("ChangeWeatherInterval", 10 * MINUTE * IN_MILISECONDS);
 
@@ -1666,7 +1663,7 @@ void World::SetInitialWorldSettings()
 
     ///- Initialize MapManager
     sLog.outString("Starting Map System");
-    MapManager::Instance().Initialize();
+    sMapMgr.Initialize();
 
     sLog.outString("Starting Game Event system...");
     uint32 nextGameEvent = gameeventmgr.Initialize();
@@ -1693,7 +1690,7 @@ void World::SetInitialWorldSettings()
 
     //Not sure if this can be moved up in the sequence (with static data loading) as it uses MapManager
     sLog.outString("Loading Transports...");
-    MapManager::Instance().LoadTransports();
+    sMapMgr.LoadTransports();
 
     sLog.outString("Deleting expired bans...");
     LoginDatabase.Execute("DELETE FROM ip_banned WHERE unbandate <= UNIX_TIMESTAMP() AND unbandate<>bandate");
@@ -1945,12 +1942,12 @@ void World::Update(uint32 diff)
 
     /// <li> Handle all other objects
     ///- Update objects when the timer has passed (maps, transport, creatures,...)
-    MapManager::Instance().Update(diff);                // As interval = 0
+    sMapMgr.Update(diff);                // As interval = 0
 
     /*if (m_timers[WUPDATE_OBJECTS].Passed())
     {
         m_timers[WUPDATE_OBJECTS].Reset();
-        MapManager::Instance().DoDelayedMovesAndRemoves();
+        sMapMgr.DoDelayedMovesAndRemoves();
     }*/
 
     static uint32 autobroadcaston = 0;
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index c53cab1124f..7266cf7e770 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -27,7 +27,7 @@
 
 #include "Common.h"
 #include "Timer.h"
-#include "Singleton.h"
+#include <ace/Singleton.h>
 #include "SharedDefines.h"
 #include "ace/Atomic_Op.h"
 #include "QueryResult.h"
@@ -779,6 +779,6 @@ class World
 
 extern uint32 realmID;
 
-#define sWorld Trinity::Singleton<World>::Instance()
+#define sWorld (*ACE_Singleton<World, ACE_Null_Mutex>::instance())
 #endif
 /// @}