diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 4622c4cfe9e..3bd529be8f1 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -4174,13 +4174,24 @@ void Unit::RemoveAurasByTypeWithDispel(AuraType auraType, Spell * spell)
     }
 }
 
-void Unit::RemoveNotOwnSingleTargetAuras()
+void Unit::RemoveNotOwnSingleTargetAuras(uint32 newPhase)
 {
     // single target auras from other casters
     for (AuraMap::iterator iter = m_Auras.begin(); iter != m_Auras.end(); )
     {
         if (iter->second->GetCasterGUID()!=GetGUID() && IsSingleTargetSpell(iter->second->GetSpellProto()))
-            RemoveAura(iter);
+        {
+            if(!newPhase)
+                RemoveAura(iter);
+            else
+            {
+                Unit* caster = iter->second->GetCaster();
+                if(!caster || !caster->InSamePhase(newPhase))
+                    RemoveAura(iter);
+                else
+                    ++iter;
+            }
+        }
         else
             ++iter;
     }
@@ -4189,12 +4200,12 @@ void Unit::RemoveNotOwnSingleTargetAuras()
     AuraList& scAuras = GetSingleCastAuras();
     for (AuraList::iterator iter = scAuras.begin(); iter != scAuras.end();)
     {
-        Aura * aur=*iter;
+        Aura * aura=*iter;
         ++iter;
-        if (aur->GetTarget()!=this)
+        if (aura->GetTarget() != this && !aura->GetTarget()->InSamePhase(newPhase))
         {
             uint32 removedAuras = m_removedAurasCount;
-            aur->GetTarget()->RemoveAura(aur->GetId(),aur->GetCasterGUID());
+            aura->GetTarget()->RemoveAura(aura->GetId(),aura->GetCasterGUID());
             if (removedAuras+1<m_removedAurasCount)
                 iter=scAuras.begin();
         }
@@ -14837,6 +14848,12 @@ float Unit::MeleeSpellMissChance(const Unit *pVictim, WeaponAttackType attType,
 
 void Unit::SetPhaseMask(uint32 newPhaseMask, bool update)
 {
+    if(newPhaseMask==GetPhaseMask())
+        return;
+
+    if(IsInWorld())
+        RemoveNotOwnSingleTargetAuras(newPhaseMask);        // we can lost access to caster or target
+
     WorldObject::SetPhaseMask(newPhaseMask,update);
 
     if(!IsInWorld())
diff --git a/src/game/Unit.h b/src/game/Unit.h
index 5a09d0f8c0e..6d200566a2b 100644
--- a/src/game/Unit.h
+++ b/src/game/Unit.h
@@ -1450,7 +1450,10 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         void RemoveAurasDueToItemSpell(Item* castItem,uint32 spellId);
         void RemoveAurasByType(AuraType auraType, uint64 casterGUID = 0, Aura * except=NULL, bool negative = true, bool positive = true);
         void RemoveAurasByTypeWithDispel(AuraType auraType, Spell * spell = NULL);
-        void RemoveNotOwnSingleTargetAuras();
+        void RemoveNotOwnSingleTargetAuras(uint32 newPhase = 0x0);
+
+        void RemoveSpellsCausingAura(AuraType auraType);
+        void RemoveRankAurasDueToSpell(uint32 spellId);
         bool RemoveNoStackAurasDueToAura(Aura *Aur);
         void RemoveAurasWithInterruptFlags(uint32 flag, uint32 except = NULL);
         void RemoveAurasWithFamily(uint32 family, uint32 familyFlag1, uint32 familyFlag2, uint32 familyFlag3, uint64 casterGUID);