1 files changed, 1 insertions, 3 deletions
diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index c800a069d55..006617051c8 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -272,8 +272,6 @@ struct ZoneDynamicInfo
 #define MIN_UNLOAD_DELAY      1                             // immediate unload
 #define MAP_INVALID_ZONE      0xFFFFFFFF
 
-typedef std::map<uint32/*leaderDBGUID*/, CreatureGroup*>        CreatureGroupHolderType;
-
 struct RespawnInfo; // forward declaration
 struct CompareRespawnInfo
 {
@@ -486,7 +484,7 @@ class TC_GAME_API Map : public GridRefManager<NGridType>
         void RemoveFromActive(T* obj);
 
         template<class T> void SwitchGridContainers(T* obj, bool on);
-        CreatureGroupHolderType CreatureGroupHolder;
+        std::unordered_map<ObjectGuid::LowType /*leaderSpawnId*/, CreatureGroup*> CreatureGroupHolder;
 
         void UpdateIteratorBack(Player* player);