diff --git a/src/common/Collision/Management/VMapManager2.cpp b/src/common/Collision/Management/VMapManager2.cpp
index 991b8d877..12f7a2c73 100644
--- a/src/common/Collision/Management/VMapManager2.cpp
+++ b/src/common/Collision/Management/VMapManager2.cpp
@@ -25,7 +25,6 @@
 #include "WorldModel.h"
 #include <G3D/Vector3.h>
 #include <ace/Null_Mutex.h>
-#include <ace/Singleton.h>
 #include "DisableMgr.h"
 #include "DBCStores.h"
 #include "Log.h"
diff --git a/src/common/Configuration/Config.cpp b/src/common/Configuration/Config.cpp
index f4adab704..2b1ea059f 100644
--- a/src/common/Configuration/Config.cpp
+++ b/src/common/Configuration/Config.cpp
@@ -8,6 +8,12 @@
 #include "Errors.h"
 #include "Log.h"
 
+ConfigMgr* ConfigMgr::instance()
+{
+    static ConfigMgr instance;
+    return &instance;
+}
+
 // Defined here as it must not be exposed to end-users.
 bool ConfigMgr::GetValueHelper(const char* name, ACE_TString &result)
 {
diff --git a/src/common/Configuration/Config.h b/src/common/Configuration/Config.h
index 103fd2c1c..58678b131 100644
--- a/src/common/Configuration/Config.h
+++ b/src/common/Configuration/Config.h
@@ -10,7 +10,6 @@
 #include <string>
 #include <list>
 #include <vector>
-#include <ace/Singleton.h>
 #include <ace/Configuration_Import_Export.h>
 #include <ace/Thread_Mutex.h>
 #include <AutoPtr.h>
@@ -19,13 +18,12 @@ typedef acore::AutoPtr<ACE_Configuration_Heap, ACE_Null_Mutex> Config;
 
 class ConfigMgr
 {
-    friend class ACE_Singleton<ConfigMgr, ACE_Null_Mutex>;
     friend class ConfigLoader;
 
-    ConfigMgr() { }
-    ~ConfigMgr() { }
-
 public:
+
+    static ConfigMgr* instance();
+    
     /// Method used only for loading main configuration files (authserver.conf and worldserver.conf)
     bool LoadInitial(char const* file);
 
@@ -62,10 +60,12 @@ private:
     Config _config;
     LockType _configLock;
 
-    ConfigMgr(ConfigMgr const&);
-    ConfigMgr& operator=(ConfigMgr const&);
+    ConfigMgr() = default;
+    ConfigMgr(ConfigMgr const&) = delete;
+    ConfigMgr& operator=(ConfigMgr const&) = delete;
+    ~ConfigMgr() = default;
 };
 
-#define sConfigMgr ACE_Singleton<ConfigMgr, ACE_Null_Mutex>::instance()
+#define sConfigMgr ConfigMgr::instance()
 
 #endif
diff --git a/src/common/Dynamic/FactoryHolder.h b/src/common/Dynamic/FactoryHolder.h
index 6e26733cb..6378490b8 100644
--- a/src/common/Dynamic/FactoryHolder.h
+++ b/src/common/Dynamic/FactoryHolder.h
@@ -11,30 +11,30 @@
 #include "Dynamic/TypeList.h"
 #include "ObjectRegistry.h"
 
-/** FactoryHolder holds a factory object of a specific type
+/*
+ * FactoryHolder holds a factory object of a specific type
  */
 template<class T, class Key = std::string>
 class FactoryHolder
 {
-    public:
-        typedef ObjectRegistry<FactoryHolder<T, Key >, Key > FactoryHolderRegistry;
-        friend class ACE_Singleton<FactoryHolderRegistry, ACE_Null_Mutex>;
-        typedef ACE_Singleton<FactoryHolderRegistry, ACE_Null_Mutex> FactoryHolderRepository;
+public:
+    typedef ObjectRegistry<FactoryHolder<T, Key >, Key > FactoryHolderRegistry;
 
-        FactoryHolder(Key k) : i_key(k) { }
-        virtual ~FactoryHolder() { }
-        inline Key key() const { return i_key; }
+    FactoryHolder(Key k) : i_key(k) { }
+    virtual ~FactoryHolder() { }
+    inline Key key() const { return i_key; }
 
-        void RegisterSelf(void) { FactoryHolderRepository::instance()->InsertItem(this, i_key); }
-        void DeregisterSelf(void) { FactoryHolderRepository::instance()->RemoveItem(this, false); }
+    void RegisterSelf(void) { FactoryHolderRegistry::instance()->InsertItem(this, i_key); }
+    void DeregisterSelf(void) { FactoryHolderRegistry::instance()->RemoveItem(this, false); }
 
-        /// Abstract Factory create method
-        virtual T* Create(void *data = NULL) const = 0;
-    private:
-        Key i_key;
+    /// Abstract Factory create method
+    virtual T* Create(void* data = NULL) const = 0;
+private:
+    Key i_key;
 };
 
-/** Permissible is a classic way of letting the object decide
+/*
+ * Permissible is a classic way of letting the object decide
  * whether how good they handle things.  This is not retricted
  * to factory selectors.
  */
@@ -45,5 +45,5 @@ class Permissible
         virtual ~Permissible() { }
         virtual int Permit(const T *) const = 0;
 };
-#endif
 
+#endif
diff --git a/src/common/Dynamic/ObjectRegistry.h b/src/common/Dynamic/ObjectRegistry.h
index 3458fa446..4a6d70afc 100644
--- a/src/common/Dynamic/ObjectRegistry.h
+++ b/src/common/Dynamic/ObjectRegistry.h
@@ -8,7 +8,6 @@
 #define ACORE_OBJECTREGISTRY_H
 
 #include "Define.h"
-#include <ace/Singleton.h>
 #include <string>
 #include <vector>
 #include <map>
@@ -29,6 +28,12 @@ class ObjectRegistry
             return( iter == i_registeredObjects.end() ? NULL : iter->second );
         }
 
+        static ObjectRegistry<T, Key>* instance()
+        {
+            static ObjectRegistry<T, Key>* instance = new ObjectRegistry<T, Key>();
+            return instance;
+        }
+
         /// Inserts a registry item
         bool InsertItem(T *obj, Key key, bool override = false)
         {
diff --git a/src/common/Logging/Log.cpp b/src/common/Logging/Log.cpp
index 44fae1ef1..0740aeed8 100644
--- a/src/common/Logging/Log.cpp
+++ b/src/common/Logging/Log.cpp
@@ -65,6 +65,12 @@ Log::~Log()
     miscLogFile = NULL;
 }
 
+Log* Log::instance()
+{
+    static Log instance;
+    return &instance;
+}
+
 void Log::SetLogLevel(char *Level)
 {
     int32 NewLevel = atoi((char*)Level);
diff --git a/src/common/Logging/Log.h b/src/common/Logging/Log.h
index 1991092f2..672fa24b9 100644
--- a/src/common/Logging/Log.h
+++ b/src/common/Logging/Log.h
@@ -9,7 +9,6 @@
 
 #include "Common.h"
 #include <ace/Task.h>
-#include <ace/Singleton.h>
 
 class WorldPacket;
 
@@ -96,13 +95,17 @@ const int Colors = int(WHITE)+1;
 
 class Log
 {
-    friend class ACE_Singleton<Log, ACE_Thread_Mutex>;
-
     private:
         Log();
         ~Log();
+        Log(Log const&) = delete;
+        Log(Log&&) = delete;
+        Log& operator=(Log const&) = delete;
+        Log& operator=(Log&&) = delete;
 
     public:
+        static Log* instance();
+        
         void Initialize();
 
         void ReloadConfig();
@@ -194,7 +197,7 @@ class Log
         DebugLogFilters m_DebugLogMask;
 };
 
-#define sLog ACE_Singleton<Log, ACE_Thread_Mutex>::instance()
+#define sLog Log::instance()
 
 #endif
 
diff --git a/src/common/Threading/DelayExecutor.cpp b/src/common/Threading/DelayExecutor.cpp
index 107f6388a..f87746f02 100644
--- a/src/common/Threading/DelayExecutor.cpp
+++ b/src/common/Threading/DelayExecutor.cpp
@@ -1,13 +1,12 @@
-#include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 #include <ace/Log_Msg.h>
 #include "Threading.h"
-
 #include "DelayExecutor.h"
 
 DelayExecutor* DelayExecutor::instance()
 {
-    return ACE_Singleton<DelayExecutor, ACE_Thread_Mutex>::instance();
+    static DelayExecutor instance;
+    return &instance;
 }
 
 DelayExecutor::DelayExecutor()
diff --git a/src/server/game/AI/CreatureAIFactory.h b/src/server/game/AI/CreatureAIFactory.h
index bd26b94f0..21901c741 100644
--- a/src/server/game/AI/CreatureAIFactory.h
+++ b/src/server/game/AI/CreatureAIFactory.h
@@ -6,7 +6,6 @@
 #ifndef ACORE_CREATUREAIFACTORY_H
 #define ACORE_CREATUREAIFACTORY_H
 
-//#include "Policies/Singleton.h"
 #include "ObjectRegistry.h"
 #include "FactoryHolder.h"
 #include "GameObjectAI.h"
@@ -36,7 +35,6 @@ CreatureAIFactory<REAL_AI>::Create(void* data) const
 
 typedef FactoryHolder<CreatureAI> CreatureAICreator;
 typedef FactoryHolder<CreatureAI>::FactoryHolderRegistry CreatureAIRegistry;
-typedef FactoryHolder<CreatureAI>::FactoryHolderRepository CreatureAIRepository;
 
 //GO
 struct SelectableGameObjectAI : public FactoryHolder<GameObjectAI>, public Permissible<GameObject>
@@ -64,5 +62,5 @@ GameObjectAIFactory<REAL_GO_AI>::Create(void* data) const
 
 typedef FactoryHolder<GameObjectAI> GameObjectAICreator;
 typedef FactoryHolder<GameObjectAI>::FactoryHolderRegistry GameObjectAIRegistry;
-typedef FactoryHolder<GameObjectAI>::FactoryHolderRepository GameObjectAIRepository;
+
 #endif
diff --git a/src/server/game/AI/CreatureAISelector.cpp b/src/server/game/AI/CreatureAISelector.cpp
index db66cd6bf..2bef6b620 100644
--- a/src/server/game/AI/CreatureAISelector.cpp
+++ b/src/server/game/AI/CreatureAISelector.cpp
@@ -19,7 +19,7 @@ namespace FactorySelector
     CreatureAI* selectAI(Creature* creature)
     {
         const CreatureAICreator* ai_factory = NULL;
-        CreatureAIRegistry& ai_registry(*CreatureAIRepository::instance());
+        CreatureAIRegistry& ai_registry(*CreatureAIRegistry::instance());
 
         // xinef: if we have controlable guardian, define petai for players as they can steer him, otherwise db / normal ai
         // xinef: dont remember why i changed this qq commented out as may break some quests
@@ -92,7 +92,7 @@ namespace FactorySelector
 
     MovementGenerator* selectMovementGenerator(Creature* creature)
     {
-        MovementGeneratorRegistry& mv_registry(*MovementGeneratorRepository::instance());
+        MovementGeneratorRegistry& mv_registry(*MovementGeneratorRegistry::instance());
         ASSERT(creature->GetCreatureTemplate());
         const MovementGeneratorCreator* mv_factory = mv_registry.GetRegistryItem(creature->GetDefaultMovementType());
 
@@ -122,7 +122,7 @@ namespace FactorySelector
     GameObjectAI* SelectGameObjectAI(GameObject* go)
     {
         const GameObjectAICreator* ai_factory = NULL;
-        GameObjectAIRegistry& ai_registry(*GameObjectAIRepository::instance());
+        GameObjectAIRegistry& ai_registry(*GameObjectAIRegistry::instance());
 
         if (GameObjectAI* scriptedAI = sScriptMgr->GetGameObjectAI(go))
             return scriptedAI;
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index 5c3f53e71..14e41341a 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -20,6 +20,12 @@
 
 #include "SmartScriptMgr.h"
 
+SmartWaypointMgr* SmartWaypointMgr::instance()
+{
+    static SmartWaypointMgr instance;
+    return &instance;
+}
+
 void SmartWaypointMgr::LoadFromDB()
 {
     uint32 oldMSTime = getMSTime();
@@ -92,6 +98,12 @@ SmartWaypointMgr::~SmartWaypointMgr()
     }
 }
 
+SmartAIMgr* SmartAIMgr::instance()
+{
+    static SmartAIMgr instance;
+    return &instance;
+}
+
 void SmartAIMgr::LoadSmartAIFromDB()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index ea89b5f28..058ab75d8 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -1569,6 +1569,7 @@ typedef std::unordered_map<uint32, WayPoint*> WPPath;
 
 typedef std::list<WorldObject*> ObjectList;
 typedef std::list<uint64> GuidList;
+
 class ObjectGuidList
 {
     ObjectList* m_objectList;
@@ -1619,15 +1620,17 @@ public:
         delete m_guidList;
     }
 };
+
 typedef std::unordered_map<uint32, ObjectGuidList*> ObjectListMap;
 
 class SmartWaypointMgr
 {
-    friend class ACE_Singleton<SmartWaypointMgr, ACE_Null_Mutex>;
     SmartWaypointMgr() {}
     public:
         ~SmartWaypointMgr();
 
+        static SmartWaypointMgr* instance();
+
         void LoadFromDB();
 
         WPPath* GetPath(uint32 id)
@@ -1650,11 +1653,12 @@ typedef std::unordered_map<int32, SmartAIEventList> SmartAIEventMap;
 
 class SmartAIMgr
 {
-    friend class ACE_Singleton<SmartAIMgr, ACE_Null_Mutex>;
     SmartAIMgr(){};
     public:
         ~SmartAIMgr(){};
 
+        static SmartAIMgr* instance();
+
         void LoadSmartAIFromDB();
 
         SmartAIEventList GetScript(int32 entry, SmartScriptType type)
@@ -1812,6 +1816,7 @@ class SmartAIMgr
         //bool IsTextValid(SmartScriptHolder const& e, uint32 id);
 };
 
-#define sSmartScriptMgr ACE_Singleton<SmartAIMgr, ACE_Null_Mutex>::instance()
-#define sSmartWaypointMgr ACE_Singleton<SmartWaypointMgr, ACE_Null_Mutex>::instance()
+#define sSmartScriptMgr SmartAIMgr::instance()
+#define sSmartWaypointMgr SmartWaypointMgr::instance()
+
 #endif
diff --git a/src/server/game/Achievements/AchievementMgr.cpp b/src/server/game/Achievements/AchievementMgr.cpp
index 251ffc5f1..a331c6185 100644
--- a/src/server/game/Achievements/AchievementMgr.cpp
+++ b/src/server/game/Achievements/AchievementMgr.cpp
@@ -2333,6 +2333,12 @@ bool AchievementMgr::CanUpdateCriteria(AchievementCriteriaEntry const* criteria,
     return true;
 }
 
+AchievementGlobalMgr* AchievementGlobalMgr::instance()
+{
+    static AchievementGlobalMgr instance;
+    return &instance;
+}
+
 bool AchievementGlobalMgr::IsStatisticCriteria(AchievementCriteriaEntry const* achievementCriteria) const
 {
     return isStatisticAchievement(sAchievementStore.LookupEntry(achievementCriteria->referredAchievement));
diff --git a/src/server/game/Achievements/AchievementMgr.h b/src/server/game/Achievements/AchievementMgr.h
index 1034cde57..7c16dd2ee 100644
--- a/src/server/game/Achievements/AchievementMgr.h
+++ b/src/server/game/Achievements/AchievementMgr.h
@@ -11,7 +11,6 @@
 #include <chrono>
 
 #include "Common.h"
-#include <ace/Singleton.h>
 #include "DatabaseEnv.h"
 #include "DBCEnums.h"
 #include "DBCStores.h"
@@ -295,11 +294,12 @@ class AchievementMgr
 
 class AchievementGlobalMgr
 {
-        friend class ACE_Singleton<AchievementGlobalMgr, ACE_Null_Mutex>;
         AchievementGlobalMgr() {}
         ~AchievementGlobalMgr() {}
 
     public:
+        static AchievementGlobalMgr* instance();
+
         bool IsStatisticCriteria(AchievementCriteriaEntry const* achievementCriteria) const;
         bool isStatisticAchievement(AchievementEntry const* achievement) const;
         
@@ -388,6 +388,6 @@ class AchievementGlobalMgr
         std::map<uint32, AchievementCriteriaEntryList> m_AchievementCriteriasByCondition[ACHIEVEMENT_CRITERIA_CONDITION_TOTAL];
 };
 
-#define sAchievementMgr ACE_Singleton<AchievementGlobalMgr, ACE_Null_Mutex>::instance()
+#define sAchievementMgr AchievementGlobalMgr::instance()
 
 #endif
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
index 4aba5703b..b8363279f 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.cpp
@@ -37,6 +37,12 @@ AuctionHouseMgr::~AuctionHouseMgr()
         delete itr->second;
 }
 
+AuctionHouseMgr* AuctionHouseMgr::instance()
+{
+    static AuctionHouseMgr instance;
+    return &instance;
+}
+
 AuctionHouseObject* AuctionHouseMgr::GetAuctionsMap(uint32 factionTemplateId)
 {
     if (sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_AUCTION))
diff --git a/src/server/game/AuctionHouse/AuctionHouseMgr.h b/src/server/game/AuctionHouse/AuctionHouseMgr.h
index 8bf251def..27092511b 100644
--- a/src/server/game/AuctionHouse/AuctionHouseMgr.h
+++ b/src/server/game/AuctionHouse/AuctionHouseMgr.h
@@ -7,8 +7,6 @@
 #ifndef _AUCTION_HOUSE_MGR_H
 #define _AUCTION_HOUSE_MGR_H
 
-#include <ace/Singleton.h>
-
 #include "Common.h"
 #include "DatabaseEnv.h"
 #include "DBCStructure.h"
@@ -131,8 +129,6 @@ class AuctionHouseObject
 
 class AuctionHouseMgr
 {
-    friend class ACE_Singleton<AuctionHouseMgr, ACE_Null_Mutex>;
-
     private:
         AuctionHouseMgr();
         ~AuctionHouseMgr();
@@ -141,6 +137,8 @@ class AuctionHouseMgr
 
         typedef std::unordered_map<uint32, Item*> ItemMap;
 
+        static AuctionHouseMgr* instance();
+
         AuctionHouseObject* GetAuctionsMap(uint32 factionTemplateId);
         AuctionHouseObject* GetBidsMap(uint32 factionTemplateId);
 
@@ -184,6 +182,6 @@ class AuctionHouseMgr
         ItemMap mAitems;
 };
 
-#define sAuctionMgr ACE_Singleton<AuctionHouseMgr, ACE_Null_Mutex>::instance()
+#define sAuctionMgr AuctionHouseMgr::instance()
 
 #endif
diff --git a/src/server/game/Battlefield/BattlefieldMgr.cpp b/src/server/game/Battlefield/BattlefieldMgr.cpp
index c15975b18..12e8c7f94 100644
--- a/src/server/game/Battlefield/BattlefieldMgr.cpp
+++ b/src/server/game/Battlefield/BattlefieldMgr.cpp
@@ -22,6 +22,12 @@ BattlefieldMgr::~BattlefieldMgr()
         delete *itr;
 }
 
+BattlefieldMgr* BattlefieldMgr::instance()
+{
+    static BattlefieldMgr instance;
+    return &instance;
+}
+
 void BattlefieldMgr::InitBattlefield()
 {
     Battlefield* pBf = new BattlefieldWG;
diff --git a/src/server/game/Battlefield/BattlefieldMgr.h b/src/server/game/Battlefield/BattlefieldMgr.h
index 9622dc6c1..2819da608 100644
--- a/src/server/game/Battlefield/BattlefieldMgr.h
+++ b/src/server/game/Battlefield/BattlefieldMgr.h
@@ -8,7 +8,6 @@
 #define BATTLEFIELD_MGR_H_
 
 #include "Battlefield.h"
-#include "ace/Singleton.h"
 
 class Player;
 class GameObject;
@@ -25,6 +24,8 @@ class BattlefieldMgr
     // dtor
     ~BattlefieldMgr();
 
+    static BattlefieldMgr* instance();
+
     // create battlefield events
     void InitBattlefield();
     // called when a player enters an battlefield area
@@ -62,6 +63,6 @@ class BattlefieldMgr
     uint32 m_UpdateTimer;
 };
 
-#define sBattlefieldMgr ACE_Singleton<BattlefieldMgr, ACE_Null_Mutex>::instance()
+#define sBattlefieldMgr BattlefieldMgr::instance()
 
 #endif
diff --git a/src/server/game/Battlegrounds/ArenaTeam.h b/src/server/game/Battlegrounds/ArenaTeam.h
index a4bb56260..bf3dab21a 100644
--- a/src/server/game/Battlegrounds/ArenaTeam.h
+++ b/src/server/game/Battlegrounds/ArenaTeam.h
@@ -9,7 +9,6 @@
 
 #include "QueryResult.h"
 #include "Map.h"
-#include <ace/Singleton.h>
 #include <list>
 #include <map>
 
diff --git a/src/server/game/Battlegrounds/ArenaTeamMgr.cpp b/src/server/game/Battlegrounds/ArenaTeamMgr.cpp
index ebe4edea2..46923f9b0 100644
--- a/src/server/game/Battlegrounds/ArenaTeamMgr.cpp
+++ b/src/server/game/Battlegrounds/ArenaTeamMgr.cpp
@@ -26,6 +26,12 @@ ArenaTeamMgr::~ArenaTeamMgr()
         delete itr->second;
 }
 
+ArenaTeamMgr* ArenaTeamMgr::instance()
+{
+    static ArenaTeamMgr instance;
+    return &instance;
+}
+
 // Arena teams collection
 ArenaTeam* ArenaTeamMgr::GetArenaTeamById(uint32 arenaTeamId) const
 {
diff --git a/src/server/game/Battlegrounds/ArenaTeamMgr.h b/src/server/game/Battlegrounds/ArenaTeamMgr.h
index 0ce916114..c94478236 100644
--- a/src/server/game/Battlegrounds/ArenaTeamMgr.h
+++ b/src/server/game/Battlegrounds/ArenaTeamMgr.h
@@ -11,11 +11,12 @@
 
 class ArenaTeamMgr
 {
-    friend class ACE_Singleton<ArenaTeamMgr, ACE_Null_Mutex>;
     ArenaTeamMgr();
     ~ArenaTeamMgr();
 
 public:
+    static ArenaTeamMgr* instance();
+
     typedef std::unordered_map<uint32, ArenaTeam*> ArenaTeamContainer;
 
     ArenaTeam* GetArenaTeamById(uint32 arenaTeamId) const;
@@ -43,6 +44,6 @@ protected:
     uint32 LastArenaLogId;
 };
 
-#define sArenaTeamMgr ACE_Singleton<ArenaTeamMgr, ACE_Null_Mutex>::instance()
+#define sArenaTeamMgr ArenaTeamMgr::instance()
 
 #endif
diff --git a/src/server/game/Battlegrounds/BattlegroundMgr.cpp b/src/server/game/Battlegrounds/BattlegroundMgr.cpp
index cf4b318a0..a259240de 100644
--- a/src/server/game/Battlegrounds/BattlegroundMgr.cpp
+++ b/src/server/game/Battlegrounds/BattlegroundMgr.cpp
@@ -58,6 +58,12 @@ BattlegroundMgr::~BattlegroundMgr()
     DeleteAllBattlegrounds();
 }
 
+BattlegroundMgr* BattlegroundMgr::instance()
+{
+    static BattlegroundMgr instance;
+    return &instance;
+}
+
 void BattlegroundMgr::DeleteAllBattlegrounds()
 {
     while (!m_Battlegrounds.empty())
diff --git a/src/server/game/Battlegrounds/BattlegroundMgr.h b/src/server/game/Battlegrounds/BattlegroundMgr.h
index 50d83e0bc..f93044bf1 100644
--- a/src/server/game/Battlegrounds/BattlegroundMgr.h
+++ b/src/server/game/Battlegrounds/BattlegroundMgr.h
@@ -12,14 +12,12 @@
 #include "Battleground.h"
 #include "BattlegroundQueue.h"
 #include "CreatureAIImpl.h"
-#include <ace/Singleton.h>
 #include <unordered_map>
 
 typedef std::map<uint32, Battleground*> BattlegroundContainer;
 typedef std::unordered_map<uint32, BattlegroundTypeId> BattleMastersMap;
 typedef Battleground*(*bgRef)(Battleground*);
 
-
 #define BATTLEGROUND_ARENA_POINT_DISTRIBUTION_DAY 86400 // how many seconds in day
 
 struct CreateBattlegroundData
@@ -62,13 +60,13 @@ class RandomBattlegroundSystem
 
 class BattlegroundMgr
 {
-    friend class ACE_Singleton<BattlegroundMgr, ACE_Null_Mutex>;
-
     private:
         BattlegroundMgr();
         ~BattlegroundMgr();
 
     public:
+        static BattlegroundMgr* instance();
+
         void Update(uint32 diff);
 
         /* Packet Building */
@@ -161,5 +159,6 @@ class BattlegroundMgr
         BattleMastersMap mBattleMastersMap;
 };
 
-#define sBattlegroundMgr ACE_Singleton<BattlegroundMgr, ACE_Null_Mutex>::instance()
-#endif
\ No newline at end of file
+#define sBattlegroundMgr BattlegroundMgr::instance()
+
+#endif
diff --git a/src/server/game/Calendar/CalendarMgr.cpp b/src/server/game/Calendar/CalendarMgr.cpp
index ec1d5dd15..c449346b3 100644
--- a/src/server/game/Calendar/CalendarMgr.cpp
+++ b/src/server/game/Calendar/CalendarMgr.cpp
@@ -34,6 +34,12 @@ CalendarMgr::~CalendarMgr()
             delete *itr2;
 }
 
+CalendarMgr* CalendarMgr::instance()
+{
+    static CalendarMgr instance;
+    return &instance;
+}
+
 void CalendarMgr::LoadFromDB()
 {
     uint32 count = 0;
diff --git a/src/server/game/Calendar/CalendarMgr.h b/src/server/game/Calendar/CalendarMgr.h
index 87e66d90d..3017bdbb0 100644
--- a/src/server/game/Calendar/CalendarMgr.h
+++ b/src/server/game/Calendar/CalendarMgr.h
@@ -7,7 +7,6 @@
 #ifndef ACORE_CALENDARMGR_H
 #define ACORE_CALENDARMGR_H
 
-#include <ace/Singleton.h>
 #include "Common.h"
 #include "DatabaseEnv.h"
 #include "WorldPacket.h"
@@ -257,8 +256,6 @@ typedef std::unordered_map<uint64 /* eventId */, CalendarInviteStore > CalendarE
 
 class CalendarMgr
 {
-    friend class ACE_Singleton<CalendarMgr, ACE_Null_Mutex>;
-
     private:
         CalendarMgr();
         ~CalendarMgr();
@@ -272,6 +269,8 @@ class CalendarMgr
         uint64 _maxInviteId;
 
     public:
+        static CalendarMgr* instance();
+        
         void LoadFromDB();
 
         CalendarEvent* GetEvent(uint64 eventId, CalendarEventStore::iterator* it = NULL);
@@ -318,6 +317,6 @@ class CalendarMgr
         void SendPacketToAllEventRelatives(WorldPacket packet, CalendarEvent const& calendarEvent);
 };
 
-#define sCalendarMgr ACE_Singleton<CalendarMgr, ACE_Null_Mutex>::instance()
+#define sCalendarMgr CalendarMgr::instance()
 
 #endif
diff --git a/src/server/game/Chat/Channels/ChannelMgr.cpp b/src/server/game/Chat/Channels/ChannelMgr.cpp
index ef977d985..bd75105ea 100644
--- a/src/server/game/Chat/Channels/ChannelMgr.cpp
+++ b/src/server/game/Chat/Channels/ChannelMgr.cpp
@@ -18,19 +18,21 @@ ChannelMgr::~ChannelMgr()
 
 ChannelMgr* ChannelMgr::forTeam(TeamId teamId)
 {
+    static ChannelMgr allianceChannelMgr(TEAM_ALLIANCE);
+    static ChannelMgr hordeChannelMgr(TEAM_HORDE);
+
     if (sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_CHANNEL))
-        return ACE_Singleton<AllianceChannelMgr, ACE_Null_Mutex>::instance();        // cross-faction
+        return &allianceChannelMgr;        // cross-faction
 
     if (teamId == TEAM_ALLIANCE)
-        return ACE_Singleton<AllianceChannelMgr, ACE_Null_Mutex>::instance();
+        return &allianceChannelMgr;
 
     if (teamId == TEAM_HORDE)
-        return ACE_Singleton<HordeChannelMgr, ACE_Null_Mutex>::instance();
+        return &hordeChannelMgr;
 
-    return NULL;
+    return nullptr;
 }
 
-
 void ChannelMgr::LoadChannels()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Chat/Channels/ChannelMgr.h b/src/server/game/Chat/Channels/ChannelMgr.h
index c81483674..bbe9c6b2f 100644
--- a/src/server/game/Chat/Channels/ChannelMgr.h
+++ b/src/server/game/Chat/Channels/ChannelMgr.h
@@ -8,13 +8,10 @@
 
 #include "Common.h"
 #include "Channel.h"
-#include <ace/Singleton.h>
-
+#include "World.h"
 #include <map>
 #include <string>
 
-#include "World.h"
-
 #define MAX_CHANNEL_PASS_STR 31
 
 class ChannelMgr
diff --git a/src/server/game/Conditions/ConditionMgr.cpp b/src/server/game/Conditions/ConditionMgr.cpp
index 3b27ac4e2..2157437f3 100644
--- a/src/server/game/Conditions/ConditionMgr.cpp
+++ b/src/server/game/Conditions/ConditionMgr.cpp
@@ -597,6 +597,12 @@ ConditionMgr::~ConditionMgr()
     Clean();
 }
 
+ConditionMgr* ConditionMgr::instance()
+{
+    static ConditionMgr instance;
+    return &instance;
+}
+
 ConditionList ConditionMgr::GetConditionReferences(uint32 refId)
 {
     ConditionList conditions;
diff --git a/src/server/game/Conditions/ConditionMgr.h b/src/server/game/Conditions/ConditionMgr.h
index 7600b7a86..72c86a83c 100644
--- a/src/server/game/Conditions/ConditionMgr.h
+++ b/src/server/game/Conditions/ConditionMgr.h
@@ -9,7 +9,6 @@
 
 #include "Define.h"
 #include "Errors.h"
-#include <ace/Singleton.h>
 #include <list>
 #include <map>
 
@@ -229,13 +228,13 @@ typedef std::map<uint32, ConditionList> ConditionReferenceContainer;//only used
 
 class ConditionMgr
 {
-    friend class ACE_Singleton<ConditionMgr, ACE_Null_Mutex>;
-
     private:
         ConditionMgr();
         ~ConditionMgr();
 
     public:
+        static ConditionMgr* instance();
+
         void LoadConditions(bool isReload = false);
         bool isConditionTypeValid(Condition* cond);
         ConditionList GetConditionReferences(uint32 refId);
@@ -271,6 +270,6 @@ class ConditionMgr
         SmartEventConditionContainer      SmartEventConditionStore;
 };
 
-#define sConditionMgr ACE_Singleton<ConditionMgr, ACE_Null_Mutex>::instance()
+#define sConditionMgr ConditionMgr::instance()
 
 #endif
diff --git a/src/server/game/DungeonFinding/LFGMgr.cpp b/src/server/game/DungeonFinding/LFGMgr.cpp
index 95a7aec98..ca7935889 100644
--- a/src/server/game/DungeonFinding/LFGMgr.cpp
+++ b/src/server/game/DungeonFinding/LFGMgr.cpp
@@ -45,6 +45,12 @@ LFGMgr::~LFGMgr()
         delete itr->second;
 }
 
+LFGMgr* LFGMgr::instance()
+{
+    static LFGMgr instance;
+    return &instance;
+}
+
 void LFGMgr::_LoadFromDB(Field* fields, uint64 guid)
 {
     if (!fields)
diff --git a/src/server/game/DungeonFinding/LFGMgr.h b/src/server/game/DungeonFinding/LFGMgr.h
index c51f00660..f7c8be82c 100644
--- a/src/server/game/DungeonFinding/LFGMgr.h
+++ b/src/server/game/DungeonFinding/LFGMgr.h
@@ -7,7 +7,6 @@
 #ifndef _LFGMGR_H
 #define _LFGMGR_H
 
-#include <ace/Singleton.h>
 #include "DBCStructure.h"
 #include "Field.h"
 #include "LFG.h"
@@ -379,8 +378,6 @@ struct LFGDungeonData
 
 class LFGMgr
 {
-    friend class ACE_Singleton<LFGMgr, ACE_Null_Mutex>;
-
     private:
         LFGMgr();
         ~LFGMgr();
@@ -401,6 +398,8 @@ class LFGMgr
         RBUsedDungeonsSet RBUsedDungeonsStore[2]; // for 2 factions
 
     public:
+        static LFGMgr* instance();
+
         // Functions used outside lfg namespace
         void Update(uint32 diff, uint8 task);
 
@@ -590,5 +589,6 @@ class LFGMgr
 
 } // namespace lfg
 
-#define sLFGMgr ACE_Singleton<lfg::LFGMgr, ACE_Null_Mutex>::instance()
+#define sLFGMgr lfg::LFGMgr::instance()
+
 #endif
diff --git a/src/server/game/Entities/Creature/CreatureGroups.cpp b/src/server/game/Entities/Creature/CreatureGroups.cpp
index a68d046a5..f8ffdff35 100644
--- a/src/server/game/Entities/Creature/CreatureGroups.cpp
+++ b/src/server/game/Entities/Creature/CreatureGroups.cpp
@@ -17,6 +17,12 @@ FormationMgr::~FormationMgr()
         delete itr->second;
 }
 
+FormationMgr* FormationMgr::instance()
+{
+    static FormationMgr instance;
+    return &instance;
+}
+
 void FormationMgr::AddCreatureToGroup(uint32 groupId, Creature* member)
 {
     Map* map = member->FindMap();
diff --git a/src/server/game/Entities/Creature/CreatureGroups.h b/src/server/game/Entities/Creature/CreatureGroups.h
index 13c7379d3..afb9fa9c3 100644
--- a/src/server/game/Entities/Creature/CreatureGroups.h
+++ b/src/server/game/Entities/Creature/CreatureGroups.h
@@ -28,10 +28,12 @@ typedef std::unordered_map<uint32/*memberDBGUID*/, FormationInfo*>   CreatureGro
 
 class FormationMgr
 {
-    friend class ACE_Singleton<FormationMgr, ACE_Null_Mutex>;
     public:
         FormationMgr() { }
         ~FormationMgr();
+        
+        static FormationMgr* instance();
+        
         void AddCreatureToGroup(uint32 group_id, Creature* creature);
         void RemoveCreatureFromGroup(CreatureGroup* group, Creature* creature);
         void LoadCreatureFormations();
@@ -69,6 +71,6 @@ class CreatureGroup
         bool m_Formed;
 };
 
-#define sFormationMgr ACE_Singleton<FormationMgr, ACE_Null_Mutex>::instance()
+#define sFormationMgr FormationMgr::instance()
 
 #endif
diff --git a/src/server/game/Entities/Player/SocialMgr.cpp b/src/server/game/Entities/Player/SocialMgr.cpp
index 8c6678601..652707215 100644
--- a/src/server/game/Entities/Player/SocialMgr.cpp
+++ b/src/server/game/Entities/Player/SocialMgr.cpp
@@ -196,6 +196,12 @@ SocialMgr::~SocialMgr()
 {
 }
 
+SocialMgr* SocialMgr::instance()
+{
+    static SocialMgr instance;
+    return &instance;
+}
+
 void SocialMgr::GetFriendInfo(Player* player, uint32 friendGUID, FriendInfo &friendInfo)
 {
     if (!player)
diff --git a/src/server/game/Entities/Player/SocialMgr.h b/src/server/game/Entities/Player/SocialMgr.h
index bc226ccf6..22b3ef373 100644
--- a/src/server/game/Entities/Player/SocialMgr.h
+++ b/src/server/game/Entities/Player/SocialMgr.h
@@ -7,9 +7,8 @@
 #ifndef __ACORE_SOCIALMGR_H
 #define __ACORE_SOCIALMGR_H
 
-#include <ace/Singleton.h>
-#include "DatabaseEnv.h"
 #include "Common.h"
+#include "DatabaseEnv.h"
 
 class SocialMgr;
 class PlayerSocial;
@@ -112,13 +111,13 @@ class PlayerSocial
 
 class SocialMgr
 {
-    friend class ACE_Singleton<SocialMgr, ACE_Null_Mutex>;
-
     private:
         SocialMgr();
         ~SocialMgr();
 
     public:
+        static SocialMgr* instance();
+
         // Misc
         void RemovePlayerSocial(uint32 guid) { m_socialMap.erase(guid); }
 
@@ -133,6 +132,6 @@ class SocialMgr
         SocialMap m_socialMap;
 };
 
-#define sSocialMgr ACE_Singleton<SocialMgr, ACE_Null_Mutex>::instance()
-#endif
+#define sSocialMgr SocialMgr::instance()
 
+#endif
diff --git a/src/server/game/Events/GameEventMgr.cpp b/src/server/game/Events/GameEventMgr.cpp
index 4d35948a0..5b86e1953 100644
--- a/src/server/game/Events/GameEventMgr.cpp
+++ b/src/server/game/Events/GameEventMgr.cpp
@@ -24,6 +24,12 @@
 #endif
 #include <time.h>
 
+GameEventMgr* GameEventMgr::instance()
+{
+    static GameEventMgr instance;
+    return &instance;
+}
+
 bool GameEventMgr::CheckOneGameEvent(uint16 entry) const
 {
     switch (mGameEvent[entry].state)
diff --git a/src/server/game/Events/GameEventMgr.h b/src/server/game/Events/GameEventMgr.h
index e893edd7b..0c3dd0b23 100644
--- a/src/server/game/Events/GameEventMgr.h
+++ b/src/server/game/Events/GameEventMgr.h
@@ -9,8 +9,6 @@
 
 #include "Common.h"
 #include "SharedDefines.h"
-#include "Define.h"
-#include <ace/Singleton.h>
 
 #define max_ge_check_delay DAY  // 1 day in seconds
 
@@ -83,13 +81,13 @@ class Quest;
 
 class GameEventMgr
 {
-    friend class ACE_Singleton<GameEventMgr, ACE_Null_Mutex>;
-
     private:
         GameEventMgr();
         ~GameEventMgr() {};
 
     public:
+        static GameEventMgr* instance();
+
         typedef std::set<uint16> ActiveEvents;
         typedef std::vector<GameEventData> GameEventDataMap;
         ActiveEvents const& GetActiveEventList() const { return m_ActiveEvents; }
@@ -169,7 +167,7 @@ class GameEventMgr
         std::set<uint32> modifiedHolidays;
 };
 
-#define sGameEventMgr ACE_Singleton<GameEventMgr, ACE_Null_Mutex>::instance()
+#define sGameEventMgr GameEventMgr::instance()
 
 bool IsHolidayActive(HolidayIds id);
 bool IsEventActive(uint16 event_id);
diff --git a/src/server/game/Globals/ObjectAccessor.cpp b/src/server/game/Globals/ObjectAccessor.cpp
index 2844b82ce..984f4c799 100644
--- a/src/server/game/Globals/ObjectAccessor.cpp
+++ b/src/server/game/Globals/ObjectAccessor.cpp
@@ -35,6 +35,12 @@ ObjectAccessor::~ObjectAccessor()
 {
 }
 
+ObjectAccessor* ObjectAccessor::instance()
+{
+    static ObjectAccessor instance;
+    return &instance;
+}
+
 Player* ObjectAccessor::GetObjectInWorld(uint64 guid, Player* /*typeSpecifier*/)
 {
     Player* player = HashMapHolder<Player>::Find(guid);
diff --git a/src/server/game/Globals/ObjectAccessor.h b/src/server/game/Globals/ObjectAccessor.h
index b06a72abe..459dc19a2 100644
--- a/src/server/game/Globals/ObjectAccessor.h
+++ b/src/server/game/Globals/ObjectAccessor.h
@@ -11,7 +11,6 @@
 #include "UpdateData.h"
 #include "GridDefines.h"
 #include "Object.h"
-#include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 #include <unordered_map>
 #include <set>
@@ -87,7 +86,6 @@ public:
 
 class ObjectAccessor
 {
-    friend class ACE_Singleton<ObjectAccessor, ACE_Null_Mutex>;
     private:
         ObjectAccessor();
         ~ObjectAccessor();
@@ -95,6 +93,7 @@ class ObjectAccessor
         ObjectAccessor& operator=(const ObjectAccessor&);
 
     public:
+        static ObjectAccessor* instance();
         // TODO: override these template functions for each holder type and add assertions
 
         template<class T> static T* GetObjectInOrOutOfWorld(uint64 guid, T* /*typeSpecifier*/)
@@ -277,5 +276,6 @@ class ObjectAccessor
         mutable ACE_Thread_Mutex DelayedCorpseLock;
 };
 
-#define sObjectAccessor ACE_Singleton<ObjectAccessor, ACE_Null_Mutex>::instance()
+#define sObjectAccessor ObjectAccessor::instance()
+
 #endif
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 3c6649af4..a0dee4bb4 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -270,6 +270,12 @@ ObjectMgr::~ObjectMgr()
         delete itr->second;
 }
 
+ObjectMgr* ObjectMgr::instance()
+{
+    static ObjectMgr instance;
+    return &instance;
+}
+
 void ObjectMgr::AddLocaleString(std::string const& s, LocaleConstant locale, StringVector& data)
 {
     if (!s.empty())
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 2e0de8823..cd6e4a082 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -23,7 +23,6 @@
 #include "Map.h"
 #include "ObjectAccessor.h"
 #include "ObjectDefines.h"
-#include <ace/Singleton.h>
 #include "VehicleDefines.h"
 #include <string>
 #include <map>
@@ -465,12 +464,14 @@ typedef std::unordered_map<uint32, BroadcastText> BroadcastTextContainer;
 
 typedef std::set<uint32> CellGuidSet;
 typedef std::unordered_map<uint32/*player guid*/, uint32/*instance*/> CellCorpseSet;
+
 struct CellObjectGuids
 {
     CellGuidSet creatures;
     CellGuidSet gameobjects;
     CellCorpseSet corpses;
 };
+
 typedef std::unordered_map<uint32/*cell_id*/, CellObjectGuids> CellObjectGuidsMap;
 typedef std::unordered_map<uint32/*(mapid, spawnMode) pair*/, CellObjectGuidsMap> MapObjectGuids;
 
@@ -686,13 +687,14 @@ class PlayerDumpReader;
 class ObjectMgr
 {
     friend class PlayerDumpReader;
-    friend class ACE_Singleton<ObjectMgr, ACE_Null_Mutex>;
 
     private:
         ObjectMgr();
         ~ObjectMgr();
 
     public:
+        static ObjectMgr* instance();
+
         typedef std::unordered_map<uint32, Item*> ItemMap;
 
         typedef std::unordered_map<uint32, Quest*> QuestMap;
@@ -1499,6 +1501,6 @@ class ObjectMgr
         std::set<uint32> _transportMaps; // Helper container storing map ids that are for transports only, loaded from gameobject_template
 };
 
-#define sObjectMgr ACE_Singleton<ObjectMgr, ACE_Null_Mutex>::instance()
+#define sObjectMgr ObjectMgr::instance()
 
 #endif
diff --git a/src/server/game/Groups/GroupMgr.cpp b/src/server/game/Groups/GroupMgr.cpp
index fc5247267..982e26a02 100644
--- a/src/server/game/Groups/GroupMgr.cpp
+++ b/src/server/game/Groups/GroupMgr.cpp
@@ -21,6 +21,12 @@ GroupMgr::~GroupMgr()
         delete itr->second;
 }
 
+GroupMgr* GroupMgr::instance()
+{
+    static GroupMgr instance;
+    return &instance;
+}
+
 void GroupMgr::InitGroupIds()
 {
     _nextGroupId = 1;
diff --git a/src/server/game/Groups/GroupMgr.h b/src/server/game/Groups/GroupMgr.h
index d16b46fcc..fbed611f4 100644
--- a/src/server/game/Groups/GroupMgr.h
+++ b/src/server/game/Groups/GroupMgr.h
@@ -11,12 +11,13 @@
 
 class GroupMgr
 {
-    friend class ACE_Singleton<GroupMgr, ACE_Null_Mutex>;
 private:
     GroupMgr();
     ~GroupMgr();
 
 public:
+    static GroupMgr* instance();
+    
     typedef std::map<uint32, Group*> GroupContainer;
 
     Group* GetGroupByGUID(uint32 guid) const;
@@ -37,6 +38,6 @@ protected:
     GroupContainer   GroupStore;
 };
 
-#define sGroupMgr ACE_Singleton<GroupMgr, ACE_Null_Mutex>::instance()
+#define sGroupMgr GroupMgr::instance()
 
 #endif
diff --git a/src/server/game/Guilds/GuildMgr.cpp b/src/server/game/Guilds/GuildMgr.cpp
index b6a9ecde8..a762b9901 100644
--- a/src/server/game/Guilds/GuildMgr.cpp
+++ b/src/server/game/Guilds/GuildMgr.cpp
@@ -16,6 +16,12 @@ GuildMgr::~GuildMgr()
         delete itr->second;
 }
 
+GuildMgr* GuildMgr::instance()
+{
+    static GuildMgr instance;
+    return &instance;
+}
+
 void GuildMgr::AddGuild(Guild* guild)
 {
     GuildStore[guild->GetId()] = guild;
diff --git a/src/server/game/Guilds/GuildMgr.h b/src/server/game/Guilds/GuildMgr.h
index 562ec1bf9..acbf49b15 100644
--- a/src/server/game/Guilds/GuildMgr.h
+++ b/src/server/game/Guilds/GuildMgr.h
@@ -11,13 +11,13 @@
 
 class GuildMgr
 {
-    friend class ACE_Singleton<GuildMgr, ACE_Null_Mutex>;
-
 private:
     GuildMgr();
     ~GuildMgr();
 
 public:
+    static GuildMgr* instance();
+
     Guild* GetGuildByLeader(uint64 guid) const;
     Guild* GetGuildById(uint32 guildId) const;
     Guild* GetGuildByName(std::string const& guildName) const;
@@ -37,6 +37,6 @@ protected:
     GuildContainer GuildStore;
 };
 
-#define sGuildMgr ACE_Singleton<GuildMgr, ACE_Null_Mutex>::instance()
+#define sGuildMgr GuildMgr::instance()
 
 #endif
diff --git a/src/server/game/Handlers/AddonHandler.cpp b/src/server/game/Handlers/AddonHandler.cpp
index 8e55d002f..f66945d3c 100644
--- a/src/server/game/Handlers/AddonHandler.cpp
+++ b/src/server/game/Handlers/AddonHandler.cpp
@@ -18,6 +18,12 @@ AddonHandler::~AddonHandler()
 {
 }
 
+AddonHandler* AddonHandler::instance()
+{
+    static AddonHandler instance;
+    return &instance;
+}
+
 bool AddonHandler::BuildAddonPacket(WorldPacket* Source, WorldPacket* Target)
 {
     ByteBuffer AddOnPacked;
diff --git a/src/server/game/Handlers/AddonHandler.h b/src/server/game/Handlers/AddonHandler.h
index ad8721402..486be0803 100644
--- a/src/server/game/Handlers/AddonHandler.h
+++ b/src/server/game/Handlers/AddonHandler.h
@@ -9,20 +9,20 @@
 
 #include "Common.h"
 #include "Config.h"
-#include <ace/Singleton.h>
 #include "WorldPacket.h"
 
 class AddonHandler
 {
-    /* Construction */
-    friend class ACE_Singleton<AddonHandler, ACE_Null_Mutex>;
+public:
     AddonHandler();
+    ~AddonHandler();
 
-    public:
-        ~AddonHandler();
-                                                            //build addon packet
-        bool BuildAddonPacket(WorldPacket* Source, WorldPacket* Target);
+    static AddonHandler* instance();
+    
+    //build addon packet
+    bool BuildAddonPacket(WorldPacket* Source, WorldPacket* Target);
 };
-#define sAddOnHandler ACE_Singleton<AddonHandler, ACE_Null_Mutex>::instance()
-#endif
 
+#define sAddOnHandler AddonHandler::instance()
+
+#endif
diff --git a/src/server/game/Instances/InstanceSaveMgr.cpp b/src/server/game/Instances/InstanceSaveMgr.cpp
index bd016b717..ca06d7832 100644
--- a/src/server/game/Instances/InstanceSaveMgr.cpp
+++ b/src/server/game/Instances/InstanceSaveMgr.cpp
@@ -43,6 +43,12 @@ InstanceSaveManager::~InstanceSaveManager()
     }*/
 }
 
+InstanceSaveManager* InstanceSaveManager::instance()
+{
+    static InstanceSaveManager instance;
+    return &instance;
+}
+
 /*
 - adding instance into manager
 */
diff --git a/src/server/game/Instances/InstanceSaveMgr.h b/src/server/game/Instances/InstanceSaveMgr.h
index eb86e1224..de7c426f0 100644
--- a/src/server/game/Instances/InstanceSaveMgr.h
+++ b/src/server/game/Instances/InstanceSaveMgr.h
@@ -11,7 +11,7 @@
 #include "DatabaseEnv.h"
 #include "DBCEnums.h"
 #include "ObjectDefines.h"
-#include <ace/Singleton.h>
+
 #include <ace/Null_Mutex.h>
 #include <ace/Thread_Mutex.h>
 #include <list>
@@ -98,7 +98,6 @@ typedef std::unordered_map<uint32 /*PAIR32(map, difficulty)*/, time_t /*resetTim
 
 class InstanceSaveManager
 {
-    friend class ACE_Singleton<InstanceSaveManager, ACE_Thread_Mutex>;
     friend class InstanceSave;
 
     private:
@@ -106,6 +105,8 @@ class InstanceSaveManager
         ~InstanceSaveManager();
 
     public:
+        static InstanceSaveManager* instance();
+        
         typedef std::unordered_map<uint32 /*InstanceId*/, InstanceSave*> InstanceSaveHashMap;
 
         struct InstResetEvent
@@ -189,5 +190,6 @@ class InstanceSaveManager
         ResetTimeQueue m_resetTimeQueue;
 };
 
-#define sInstanceSaveMgr ACE_Singleton<InstanceSaveManager, ACE_Thread_Mutex>::instance()
+#define sInstanceSaveMgr InstanceSaveManager::instance()
+
 #endif
diff --git a/src/server/game/Loot/LootItemStorage.cpp b/src/server/game/Loot/LootItemStorage.cpp
index c6d421f1c..f64edb309 100644
--- a/src/server/game/Loot/LootItemStorage.cpp
+++ b/src/server/game/Loot/LootItemStorage.cpp
@@ -16,6 +16,12 @@ LootItemStorage::~LootItemStorage()
 {
 }
 
+LootItemStorage* LootItemStorage::instance()
+{
+    static LootItemStorage instance;
+    return &instance;
+}
+
 void LootItemStorage::LoadStorageFromDB()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Loot/LootItemStorage.h b/src/server/game/Loot/LootItemStorage.h
index ddca0b2db..4ca36f712 100644
--- a/src/server/game/Loot/LootItemStorage.h
+++ b/src/server/game/Loot/LootItemStorage.h
@@ -6,12 +6,10 @@ Xinef
 #define ACORE_LOOTITEMSTORAGE_H
 
 #include "Common.h"
-#include <map>
-#include <list>
-
-#include "ace/Singleton.h"
 #include "LootMgr.h"
 #include "Item.h"
+#include <map>
+#include <list>
 
 struct StoredLootItem
 {
@@ -30,13 +28,13 @@ typedef std::unordered_map<uint32, StoredLootItemList> LootItemContainer;
 
 class LootItemStorage
 {
-    friend class ACE_Singleton<LootItemStorage, ACE_Thread_Mutex>;
-
     private:
         LootItemStorage();
         ~LootItemStorage();
 
     public:
+        static LootItemStorage* instance();
+
         void LoadStorageFromDB();
         void RemoveEntryFromDB(uint32 containerId, uint32 itemid, uint32 count);
 
@@ -51,5 +49,6 @@ class LootItemStorage
         LootItemContainer lootItemStore;
 };
 
-#define sLootItemStorage ACE_Singleton<LootItemStorage, ACE_Thread_Mutex>::instance()
+#define sLootItemStorage LootItemStorage::instance()
+
 #endif
diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index 4fc859641..2cbd657e1 100644
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -42,6 +42,12 @@ MapManager::~MapManager()
 {
 }
 
+MapManager* MapManager::instance()
+{
+    static MapManager instance;
+    return &instance;
+}
+
 void MapManager::Initialize()
 {
     int num_threads(sWorld->getIntConfig(CONFIG_NUMTHREADS));
diff --git a/src/server/game/Maps/MapManager.h b/src/server/game/Maps/MapManager.h
index 09b176eb4..8cbd3772a 100644
--- a/src/server/game/Maps/MapManager.h
+++ b/src/server/game/Maps/MapManager.h
@@ -8,7 +8,6 @@
 #define ACORE_MAPMANAGER_H
 
 #include "Define.h"
-#include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 #include "Common.h"
 #include "Map.h"
@@ -22,9 +21,9 @@ struct TransportCreatureProto;
 
 class MapManager
 {
-    friend class ACE_Singleton<MapManager, ACE_Thread_Mutex>;
-
     public:
+        static MapManager* instance();
+
         Map* CreateBaseMap(uint32 mapId);
         Map* FindBaseNonInstanceMap(uint32 mapId) const;
         Map* CreateMap(uint32 mapId, Player* player);
@@ -140,5 +139,7 @@ class MapManager
         uint32 _nextInstanceId;
         MapUpdater m_updater;
 };
-#define sMapMgr ACE_Singleton<MapManager, ACE_Thread_Mutex>::instance()
+
+#define sMapMgr MapManager::instance()
+
 #endif
diff --git a/src/server/game/Maps/TransportMgr.cpp b/src/server/game/Maps/TransportMgr.cpp
index 1d0325cb1..6dde69bee 100644
--- a/src/server/game/Maps/TransportMgr.cpp
+++ b/src/server/game/Maps/TransportMgr.cpp
@@ -25,6 +25,12 @@ TransportMgr::TransportMgr() { }
 
 TransportMgr::~TransportMgr() { }
 
+TransportMgr* TransportMgr::instance()
+{
+    static TransportMgr instance;
+    return &instance;
+}
+
 void TransportMgr::Unload()
 {
     _transportTemplates.clear();
diff --git a/src/server/game/Maps/TransportMgr.h b/src/server/game/Maps/TransportMgr.h
index 1f04847e1..d3139bf2a 100644
--- a/src/server/game/Maps/TransportMgr.h
+++ b/src/server/game/Maps/TransportMgr.h
@@ -7,7 +7,6 @@
 #ifndef TRANSPORTMGR_H
 #define TRANSPORTMGR_H
 
-#include <ace/Singleton.h>
 #include <G3D/Quat.h>
 #include "Spline.h"
 #include "DBCStores.h"
@@ -89,65 +88,66 @@ typedef std::map<uint32, TransportAnimation> TransportAnimationContainer;
 
 class TransportMgr
 {
-        friend class ACE_Singleton<TransportMgr, ACE_Thread_Mutex>;
-        friend void LoadDBCStores(std::string const&);
+    friend void LoadDBCStores(std::string const&);
+    
+public:
+    static TransportMgr* instance();
 
-    public:
-        void Unload();
+    void Unload();
 
-        void LoadTransportTemplates();
+    void LoadTransportTemplates();
 
-        // Creates a transport using given GameObject template entry
-        MotionTransport* CreateTransport(uint32 entry, uint32 guid = 0, Map* map = NULL);
+    // Creates a transport using given GameObject template entry
+    MotionTransport* CreateTransport(uint32 entry, uint32 guid = 0, Map* map = NULL);
 
-        // Spawns all continent transports, used at core startup
-        void SpawnContinentTransports();
+    // Spawns all continent transports, used at core startup
+    void SpawnContinentTransports();
 
-        // creates all transports for instance
-        void CreateInstanceTransports(Map* map);
+    // creates all transports for instance
+    void CreateInstanceTransports(Map* map);
 
-        TransportTemplate const* GetTransportTemplate(uint32 entry) const
-        {
-            TransportTemplates::const_iterator itr = _transportTemplates.find(entry);
-            if (itr != _transportTemplates.end())
-                return &itr->second;
-            return NULL;
-        }
+    TransportTemplate const* GetTransportTemplate(uint32 entry) const
+    {
+        TransportTemplates::const_iterator itr = _transportTemplates.find(entry);
+        if (itr != _transportTemplates.end())
+            return &itr->second;
+        return NULL;
+    }
 
-        TransportAnimation const* GetTransportAnimInfo(uint32 entry) const
-        {
-            TransportAnimationContainer::const_iterator itr = _transportAnimations.find(entry);
-            if (itr != _transportAnimations.end())
-                return &itr->second;
+    TransportAnimation const* GetTransportAnimInfo(uint32 entry) const
+    {
+        TransportAnimationContainer::const_iterator itr = _transportAnimations.find(entry);
+        if (itr != _transportAnimations.end())
+            return &itr->second;
 
-            return NULL;
-        }
+        return NULL;
+    }
 
-    private:
-        TransportMgr();
-        ~TransportMgr();
-        TransportMgr(TransportMgr const&);
-        TransportMgr& operator=(TransportMgr const&);
+    // Generates and precaches a path for transport to avoid generation each time transport instance is created
+    void GeneratePath(GameObjectTemplate const* goInfo, TransportTemplate* transport);
 
-        // Generates and precaches a path for transport to avoid generation each time transport instance is created
-        void GeneratePath(GameObjectTemplate const* goInfo, TransportTemplate* transport);
+    void AddPathNodeToTransport(uint32 transportEntry, uint32 timeSeg, TransportAnimationEntry const* node);
 
-        void AddPathNodeToTransport(uint32 transportEntry, uint32 timeSeg, TransportAnimationEntry const* node);
+    void AddPathRotationToTransport(uint32 transportEntry, uint32 timeSeg, TransportRotationEntry const* node)
+    {
+        _transportAnimations[transportEntry].Rotations[timeSeg] = node;
+    }
 
-        void AddPathRotationToTransport(uint32 transportEntry, uint32 timeSeg, TransportRotationEntry const* node)
-        {
-            _transportAnimations[transportEntry].Rotations[timeSeg] = node;
-        }
+private:
+    TransportMgr();
+    ~TransportMgr();
+    TransportMgr(TransportMgr const&);
+    TransportMgr& operator=(TransportMgr const&);
 
-        // Container storing transport templates
-        TransportTemplates _transportTemplates;
+    // Container storing transport templates
+    TransportTemplates _transportTemplates;
 
-        // Container storing transport entries to create for instanced maps
-        TransportInstanceMap _instanceTransports;
+    // Container storing transport entries to create for instanced maps
+    TransportInstanceMap _instanceTransports;
 
-        TransportAnimationContainer _transportAnimations;
+    TransportAnimationContainer _transportAnimations;
 };
 
-#define sTransportMgr ACE_Singleton<TransportMgr, ACE_Thread_Mutex>::instance()
+#define sTransportMgr TransportMgr::instance()
 
 #endif // TRANSPORTMGR_H
diff --git a/src/server/game/Misc/GameGraveyard.cpp b/src/server/game/Misc/GameGraveyard.cpp
index 6321eb26c..b17d8c4c4 100644
--- a/src/server/game/Misc/GameGraveyard.cpp
+++ b/src/server/game/Misc/GameGraveyard.cpp
@@ -3,6 +3,12 @@
 #include "DBCStores.h"
 #include "Log.h"
 
+Graveyard* Graveyard::instance()
+{
+    static Graveyard instance;
+    return &instance;
+}
+
 void Graveyard::LoadGraveyardFromDB()
 {
     uint32 oldMSTime = getMSTime();    
diff --git a/src/server/game/Misc/GameGraveyard.h b/src/server/game/Misc/GameGraveyard.h
index 5afade7be..e8bf002e2 100644
--- a/src/server/game/Misc/GameGraveyard.h
+++ b/src/server/game/Misc/GameGraveyard.h
@@ -3,7 +3,6 @@
 
 #include "Common.h"
 #include "SharedDefines.h"
-#include <ace/Singleton.h>
 
 struct GraveyardStruct
 {
@@ -28,9 +27,8 @@ typedef std::pair<WGGraveyardContainer::iterator, WGGraveyardContainer::iterator
 
 class Graveyard
 {
-    friend class ACE_Singleton<Graveyard, ACE_Null_Mutex>;
-
 public:
+    static Graveyard* instance();
 
     typedef std::unordered_map<uint32, GraveyardStruct> GraveyardContainer;    
 
@@ -53,6 +51,6 @@ private:
     WGGraveyardContainer GraveyardStore;
 };
 
-#define sGraveyard ACE_Singleton<Graveyard, ACE_Null_Mutex>::instance()
+#define sGraveyard Graveyard::instance()
 
 #endif // _GAMEGRAVEYARD_H_
diff --git a/src/server/game/Movement/MovementGenerator.h b/src/server/game/Movement/MovementGenerator.h
index a2f104502..683c7fced 100644
--- a/src/server/game/Movement/MovementGenerator.h
+++ b/src/server/game/Movement/MovementGenerator.h
@@ -8,7 +8,6 @@
 #define ACORE_MOVEMENTGENERATOR_H
 
 #include "Define.h"
-#include <ace/Singleton.h>
 #include "ObjectRegistry.h"
 #include "FactoryHolder.h"
 #include "Common.h"
@@ -82,5 +81,4 @@ struct MovementGeneratorFactory : public SelectableMovement
 
 typedef FactoryHolder<MovementGenerator, MovementGeneratorType> MovementGeneratorCreator;
 typedef FactoryHolder<MovementGenerator, MovementGeneratorType>::FactoryHolderRegistry MovementGeneratorRegistry;
-typedef FactoryHolder<MovementGenerator, MovementGeneratorType>::FactoryHolderRepository MovementGeneratorRepository;
 #endif
diff --git a/src/server/game/Movement/Waypoints/WaypointManager.cpp b/src/server/game/Movement/Waypoints/WaypointManager.cpp
index 4b39f5334..20397158c 100644
--- a/src/server/game/Movement/Waypoints/WaypointManager.cpp
+++ b/src/server/game/Movement/Waypoints/WaypointManager.cpp
@@ -27,6 +27,12 @@ WaypointMgr::~WaypointMgr()
     _waypointStore.clear();
 }
 
+WaypointMgr* WaypointMgr::instance()
+{
+    static WaypointMgr instance;
+    return &instance;
+}
+
 void WaypointMgr::Load()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Movement/Waypoints/WaypointManager.h b/src/server/game/Movement/Waypoints/WaypointManager.h
index f467f790d..d5c74f5eb 100644
--- a/src/server/game/Movement/Waypoints/WaypointManager.h
+++ b/src/server/game/Movement/Waypoints/WaypointManager.h
@@ -7,9 +7,9 @@
 #ifndef ACORE_WAYPOINTMANAGER_H
 #define ACORE_WAYPOINTMANAGER_H
 
-#include <ace/Singleton.h>
-#include <ace/Null_Mutex.h>
+#include "Common.h"
 #include <vector>
+#include <unordered_map>
 
 enum WaypointMoveType
 {
@@ -36,9 +36,9 @@ typedef std::unordered_map<uint32, WaypointPath> WaypointPathContainer;
 
 class WaypointMgr
 {
-        friend class ACE_Singleton<WaypointMgr, ACE_Null_Mutex>;
-
     public:
+        static WaypointMgr* instance();
+
         // Attempts to reload a single path from database
         void ReloadPath(uint32 id);
 
@@ -52,17 +52,16 @@ class WaypointMgr
             if (itr != _waypointStore.end())
                 return &itr->second;
 
-            return NULL;
+            return nullptr;
         }
 
     private:
-        // Only allow instantiation from ACE_Singleton
         WaypointMgr();
         ~WaypointMgr();
 
         WaypointPathContainer _waypointStore;
 };
 
-#define sWaypointMgr ACE_Singleton<WaypointMgr, ACE_Null_Mutex>::instance()
+#define sWaypointMgr WaypointMgr::instance()
 
 #endif
diff --git a/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp b/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
index 1cac258bf..34845fd0e 100644
--- a/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
+++ b/src/server/game/OutdoorPvP/OutdoorPvPMgr.cpp
@@ -16,6 +16,12 @@ OutdoorPvPMgr::OutdoorPvPMgr()
     //sLog->outDebug(LOG_FILTER_OUTDOORPVP, "Instantiating OutdoorPvPMgr");
 }
 
+OutdoorPvPMgr* OutdoorPvPMgr::instance()
+{
+    static OutdoorPvPMgr instance;
+    return &instance;
+}
+
 void OutdoorPvPMgr::Die()
 {
     //sLog->outDebug(LOG_FILTER_OUTDOORPVP, "Deleting OutdoorPvPMgr");
diff --git a/src/server/game/OutdoorPvP/OutdoorPvPMgr.h b/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
index e06dfc5f3..a8b43dd78 100644
--- a/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
+++ b/src/server/game/OutdoorPvP/OutdoorPvPMgr.h
@@ -10,7 +10,6 @@
 #define OUTDOORPVP_OBJECTIVE_UPDATE_INTERVAL 1000
 
 #include "OutdoorPvP.h"
-#include <ace/Singleton.h>
 
 class Player;
 class GameObject;
@@ -27,13 +26,13 @@ struct OutdoorPvPData
 // class to handle player enter / leave / areatrigger / GO use events
 class OutdoorPvPMgr
 {
-    friend class ACE_Singleton<OutdoorPvPMgr, ACE_Null_Mutex>;
-
     private:
         OutdoorPvPMgr();
         ~OutdoorPvPMgr() {};
 
     public:
+        static OutdoorPvPMgr* instance();
+
         // create outdoor pvp events
         void InitOutdoorPvP();
 
@@ -93,6 +92,6 @@ class OutdoorPvPMgr
         uint32 m_UpdateTimer;
 };
 
-#define sOutdoorPvPMgr ACE_Singleton<OutdoorPvPMgr, ACE_Null_Mutex>::instance()
+#define sOutdoorPvPMgr OutdoorPvPMgr::instance()
 
 #endif /*OUTDOOR_PVP_MGR_H_*/
diff --git a/src/server/game/Petitions/PetitionMgr.cpp b/src/server/game/Petitions/PetitionMgr.cpp
index 7011c19ab..029c8ead6 100644
--- a/src/server/game/Petitions/PetitionMgr.cpp
+++ b/src/server/game/Petitions/PetitionMgr.cpp
@@ -17,6 +17,12 @@ PetitionMgr::~PetitionMgr()
 {
 }
 
+PetitionMgr* PetitionMgr::instance()
+{
+    static PetitionMgr instance;
+    return &instance;
+}
+
 void PetitionMgr::LoadPetitions()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Petitions/PetitionMgr.h b/src/server/game/Petitions/PetitionMgr.h
index 67476e600..f9acf454c 100644
--- a/src/server/game/Petitions/PetitionMgr.h
+++ b/src/server/game/Petitions/PetitionMgr.h
@@ -6,7 +6,7 @@ Xinef
 #define _PETITIONMGR_H
 
 #include "Common.h"
-#include <ace/Singleton.h>
+#include <map>
 
 typedef std::map<uint32, uint32> SignatureMap;
 
@@ -29,13 +29,13 @@ typedef std::map<uint32, Petition> PetitionContainer;
 
 class PetitionMgr
 {
-    friend class ACE_Singleton<PetitionMgr, ACE_Thread_Mutex>;
-
     private:
         PetitionMgr();
         ~PetitionMgr();
 
     public:
+        static PetitionMgr* instance();
+
         void LoadPetitions();
         void LoadSignatures();
         
@@ -59,5 +59,6 @@ class PetitionMgr
         SignatureContainer SignatureStore;
 };
 
-#define sPetitionMgr ACE_Singleton<PetitionMgr, ACE_Thread_Mutex>::instance()
+#define sPetitionMgr PetitionMgr::instance()
+
 #endif
diff --git a/src/server/game/Pools/PoolMgr.cpp b/src/server/game/Pools/PoolMgr.cpp
index e19a21edb..d9e5adefa 100644
--- a/src/server/game/Pools/PoolMgr.cpp
+++ b/src/server/game/Pools/PoolMgr.cpp
@@ -537,6 +537,12 @@ PoolMgr::PoolMgr()
 {
 }
 
+PoolMgr* PoolMgr::instance()
+{
+    static PoolMgr instance;
+    return &instance;
+}
+
 void PoolMgr::Initialize()
 {
     mQuestSearchMap.clear();
diff --git a/src/server/game/Pools/PoolMgr.h b/src/server/game/Pools/PoolMgr.h
index b784dca24..9e0803fd8 100644
--- a/src/server/game/Pools/PoolMgr.h
+++ b/src/server/game/Pools/PoolMgr.h
@@ -8,7 +8,6 @@
 #define ACORE_POOLHANDLER_H
 
 #include "Define.h"
-#include <ace/Singleton.h>
 #include "Creature.h"
 #include "GameObject.h"
 #include "QuestDef.h"
@@ -92,13 +91,13 @@ typedef std::pair<PooledQuestRelation::iterator, PooledQuestRelation::iterator>
 
 class PoolMgr
 {
-    friend class ACE_Singleton<PoolMgr, ACE_Null_Mutex>;
-
     private:
         PoolMgr();
         ~PoolMgr() {};
 
     public:
+        static PoolMgr* instance();
+
         void LoadFromDB();
         void LoadQuestPools();
         void SaveQuestsToDB(bool daily, bool weekly, bool other);
@@ -151,7 +150,7 @@ class PoolMgr
         ActivePoolData mSpawnedData;
 };
 
-#define sPoolMgr ACE_Singleton<PoolMgr, ACE_Null_Mutex>::instance()
+#define sPoolMgr PoolMgr::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 588eb1cd7..897797f2d 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -172,6 +172,12 @@ ScriptMgr::~ScriptMgr()
 {
 }
 
+ScriptMgr* ScriptMgr::instance()
+{
+    static ScriptMgr instance;
+    return &instance;
+}
+
 void ScriptMgr::Initialize()
 {
     AddScripts();
diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index cde289097..3ec042f18 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -8,9 +8,6 @@
 #define SC_SCRIPTMGR_H
 
 #include "Common.h"
-#include <ace/Singleton.h>
-#include <atomic>
-
 #include "ObjectMgr.h"
 #include "DBCStores.h"
 #include "QuestDef.h"
@@ -21,6 +18,7 @@
 #include "DynamicObject.h"
 #include "ArenaTeam.h"
 #include "GameEventMgr.h"
+#include <atomic>
 
 class AuctionHouseObject;
 class AuraScript;
@@ -1171,13 +1169,9 @@ public:
     virtual void OnStop(uint16 /*EventID*/) { }
 };
 
-// Placed here due to ScriptRegistry::AddScript dependency.
-#define sScriptMgr ACE_Singleton<ScriptMgr, ACE_Null_Mutex>::instance()
-
 // Manages registration, loading, and execution of scripts.
 class ScriptMgr
 {
-    friend class ACE_Singleton<ScriptMgr, ACE_Null_Mutex>;
     friend class ScriptObject;
 
     private:
@@ -1187,6 +1181,7 @@ class ScriptMgr
 
     public: /* Initialization */
 
+        static ScriptMgr* instance();
         void Initialize();
         void LoadDatabase();
         void FillSpellSummary();
@@ -1529,6 +1524,8 @@ class ScriptMgr
         std::atomic<long> _scheduledScripts;
 };
 
+#define sScriptMgr ScriptMgr::instance()
+
 template<class TScript>
 class ScriptRegistry
 {
diff --git a/src/server/game/Scripting/ScriptSystem.cpp b/src/server/game/Scripting/ScriptSystem.cpp
index 3576cdfd8..17eab65bb 100644
--- a/src/server/game/Scripting/ScriptSystem.cpp
+++ b/src/server/game/Scripting/ScriptSystem.cpp
@@ -11,6 +11,12 @@
 
 ScriptPointVector const SystemMgr::_empty;
 
+SystemMgr* SystemMgr::instance()
+{
+    static SystemMgr instance;
+    return &instance;
+}
+
 void SystemMgr::LoadScriptWaypoints()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Scripting/ScriptSystem.h b/src/server/game/Scripting/ScriptSystem.h
index a9ec6164f..fafc6066d 100644
--- a/src/server/game/Scripting/ScriptSystem.h
+++ b/src/server/game/Scripting/ScriptSystem.h
@@ -7,7 +7,6 @@
 #define SC_SYSTEM_H
 
 #include "ScriptMgr.h"
-#include <ace/Singleton.h>
 
 #define TEXT_SOURCE_RANGE -1000000                          //the amount of entries each text source has available
 
@@ -49,11 +48,12 @@ typedef std::vector<ScriptPointMove> ScriptPointVector;
 
 class SystemMgr
 {
-        friend class ACE_Singleton<SystemMgr, ACE_Null_Mutex>;
         SystemMgr() {}
         ~SystemMgr() {}
 
     public:
+        static SystemMgr* instance();
+
         typedef std::unordered_map<uint32, ScriptPointVector> PointMoveMap;
 
         //Database
@@ -76,6 +76,6 @@ class SystemMgr
         static ScriptPointVector const _empty;
 };
 
-#define sScriptSystemMgr ACE_Singleton<SystemMgr, ACE_Null_Mutex>::instance()
+#define sScriptSystemMgr SystemMgr::instance()
 
 #endif
diff --git a/src/server/game/Server/Protocol/PacketLog.cpp b/src/server/game/Server/Protocol/PacketLog.cpp
index 51df454d6..6b421f7e1 100644
--- a/src/server/game/Server/Protocol/PacketLog.cpp
+++ b/src/server/game/Server/Protocol/PacketLog.cpp
@@ -22,6 +22,12 @@ PacketLog::~PacketLog()
     _file = NULL;
 }
 
+PacketLog* PacketLog::instance()
+{
+    static PacketLog instance;
+    return &instance;
+}
+
 void PacketLog::Initialize()
 {
     std::string logsDir = sConfigMgr->GetStringDefault("LogsDir", "");
diff --git a/src/server/game/Server/Protocol/PacketLog.h b/src/server/game/Server/Protocol/PacketLog.h
index 68983010c..e5aea9635 100644
--- a/src/server/game/Server/Protocol/PacketLog.h
+++ b/src/server/game/Server/Protocol/PacketLog.h
@@ -8,7 +8,6 @@
 #define ACORE_PACKETLOG_H
 
 #include "Common.h"
-#include <ace/Singleton.h>
 
 enum Direction
 {
@@ -20,13 +19,13 @@ class WorldPacket;
 
 class PacketLog
 {
-    friend class ACE_Singleton<PacketLog, ACE_Thread_Mutex>;
-
     private:
         PacketLog();
         ~PacketLog();
 
     public:
+        static PacketLog* instance();
+
         void Initialize();
         bool CanLogPacket() const { return (_file != NULL); }
         void LogPacket(WorldPacket const& packet, Direction direction);
@@ -35,5 +34,6 @@ class PacketLog
         FILE* _file;
 };
 
-#define sPacketLog ACE_Singleton<PacketLog, ACE_Thread_Mutex>::instance()
+#define sPacketLog PacketLog::instance()
+
 #endif
diff --git a/src/server/game/Server/WorldSocketMgr.cpp b/src/server/game/Server/WorldSocketMgr.cpp
index a53da89cf..2b5b96e61 100644
--- a/src/server/game/Server/WorldSocketMgr.cpp
+++ b/src/server/game/Server/WorldSocketMgr.cpp
@@ -219,6 +219,12 @@ WorldSocketMgr::~WorldSocketMgr()
     delete m_Acceptor;
 }
 
+WorldSocketMgr* WorldSocketMgr::instance()
+{
+    static WorldSocketMgr instance;
+    return &instance;
+}
+
 int
 WorldSocketMgr::StartReactiveIO (uint16 port, const char* address)
 {
diff --git a/src/server/game/Server/WorldSocketMgr.h b/src/server/game/Server/WorldSocketMgr.h
index d33ec273a..7d0ef78dc 100644
--- a/src/server/game/Server/WorldSocketMgr.h
+++ b/src/server/game/Server/WorldSocketMgr.h
@@ -15,7 +15,6 @@
 
 #include "Common.h"
 #include <ace/Basic_Types.h>
-#include <ace/Singleton.h>
 #include <ace/Thread_Mutex.h>
 
 class WorldSocket;
@@ -27,8 +26,9 @@ class WorldSocketMgr
 {
 public:
     friend class WorldSocket;
-    friend class ACE_Singleton<WorldSocketMgr, ACE_Thread_Mutex>;
 
+    static WorldSocketMgr* instance();
+    
     /// Start network, listen at address:port .
     int StartNetwork(uint16 port, const char* address);
 
@@ -57,7 +57,7 @@ private:
     class WorldSocketAcceptor* m_Acceptor;
 };
 
-#define sWorldSocketMgr ACE_Singleton<WorldSocketMgr, ACE_Thread_Mutex>::instance()
+#define sWorldSocketMgr WorldSocketMgr::instance()
 
 #endif
 /// @}
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index cb8649bde..83366a88c 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -351,6 +351,12 @@ SpellMgr::~SpellMgr()
     UnloadSpellInfoStore();
 }
 
+SpellMgr* SpellMgr::instance()
+{
+    static SpellMgr instance;
+    return &instance;
+}
+
 /// Some checks for spells, to prevent adding deprecated/broken spells for trainers, spell book, etc
 bool SpellMgr::ComputeIsSpellValid(SpellInfo const *spellInfo, bool msg)
 {
diff --git a/src/server/game/Spells/SpellMgr.h b/src/server/game/Spells/SpellMgr.h
index 6ebb2f811..0b6727439 100644
--- a/src/server/game/Spells/SpellMgr.h
+++ b/src/server/game/Spells/SpellMgr.h
@@ -9,7 +9,6 @@
 
 // For static or at-server-startup loaded spell data
 
-#include <ace/Singleton.h>
 #include "Common.h"
 #include "SharedDefines.h"
 #include "Unit.h"
@@ -354,8 +353,6 @@ struct SpellStackInfo
 typedef std::map<uint32, SpellStackInfo> SpellGroupMap;
 typedef std::map<uint32, SpellGroupStackFlags> SpellGroupStackMap;
 
-
-
 struct SpellThreatEntry
 {
     int32       flatMod;                                    // flat threat-value for this Spell  - default: 0
@@ -603,7 +600,6 @@ typedef std::set<uint32> TalentAdditionalSet;
 
 class SpellMgr
 {
-    friend class ACE_Singleton<SpellMgr, ACE_Null_Mutex>;
     // Constructors
     private:
         SpellMgr();
@@ -611,6 +607,8 @@ class SpellMgr
 
     // Accessors (const or static functions)
     public:
+        static SpellMgr* instance();
+
         // Spell correctness for client using
         static bool ComputeIsSpellValid(SpellInfo const* spellInfo, bool msg = true);
         static bool IsSpellValid(SpellInfo const* spellInfo);
@@ -755,6 +753,6 @@ class SpellMgr
         TalentAdditionalSet        mTalentSpellAdditionalSet;
 };
 
-#define sSpellMgr ACE_Singleton<SpellMgr, ACE_Null_Mutex>::instance()
+#define sSpellMgr SpellMgr::instance()
 
 #endif
diff --git a/src/server/game/Texts/CreatureTextMgr.cpp b/src/server/game/Texts/CreatureTextMgr.cpp
index d5c2f4206..4a53844e5 100644
--- a/src/server/game/Texts/CreatureTextMgr.cpp
+++ b/src/server/game/Texts/CreatureTextMgr.cpp
@@ -63,6 +63,12 @@ class PlayerTextBuilder
         WorldObject const* _target;
 };
 
+CreatureTextMgr* CreatureTextMgr::instance()
+{
+    static CreatureTextMgr instance;
+    return &instance;
+}
+
 void CreatureTextMgr::LoadCreatureTexts()
 {
     uint32 oldMSTime = getMSTime();
diff --git a/src/server/game/Texts/CreatureTextMgr.h b/src/server/game/Texts/CreatureTextMgr.h
index 5605b3732..23650a60d 100644
--- a/src/server/game/Texts/CreatureTextMgr.h
+++ b/src/server/game/Texts/CreatureTextMgr.h
@@ -72,10 +72,11 @@ typedef std::unordered_map<uint64, CreatureTextRepeatGroup> CreatureTextRepeatMa
 
 class CreatureTextMgr
 {
-    friend class ACE_Singleton<CreatureTextMgr, ACE_Null_Mutex>;
     CreatureTextMgr() { }
 
     public:
+        static CreatureTextMgr* instance();
+
         ~CreatureTextMgr() { }
         void LoadCreatureTexts();
         void LoadCreatureTextLocales();
@@ -103,7 +104,7 @@ class CreatureTextMgr
         LocaleCreatureTextMap mLocaleTextMap;
 };
 
-#define sCreatureTextMgr ACE_Singleton<CreatureTextMgr, ACE_Null_Mutex>::instance()
+#define sCreatureTextMgr CreatureTextMgr::instance()
 
 template<class Builder>
 class CreatureTextLocalizer
diff --git a/src/server/game/Tickets/TicketMgr.cpp b/src/server/game/Tickets/TicketMgr.cpp
index 233cc24ce..e87357e31 100644
--- a/src/server/game/Tickets/TicketMgr.cpp
+++ b/src/server/game/Tickets/TicketMgr.cpp
@@ -243,6 +243,12 @@ TicketMgr::~TicketMgr()
         delete itr->second;
 }
 
+TicketMgr* TicketMgr::instance()
+{
+    static TicketMgr instance;
+    return &instance;
+}
+
 void TicketMgr::Initialize() { SetStatus(sWorld->getBoolConfig(CONFIG_ALLOW_TICKETS)); }
 
 void TicketMgr::ResetTickets()
diff --git a/src/server/game/Tickets/TicketMgr.h b/src/server/game/Tickets/TicketMgr.h
index 29537182d..b0fd8cff7 100644
--- a/src/server/game/Tickets/TicketMgr.h
+++ b/src/server/game/Tickets/TicketMgr.h
@@ -7,10 +7,8 @@
 #ifndef _TICKETMGR_H
 #define _TICKETMGR_H
 
-#include <string>
-#include <ace/Singleton.h>
-
 #include "ObjectMgr.h"
+#include <string>
 
 class ChatHandler;
 
@@ -169,17 +167,18 @@ private:
     std::string _response;
     std::string _chatLog; // No need to store in db, will be refreshed every session client side
 };
+
 typedef std::map<uint32, GmTicket*> GmTicketList;
 
 class TicketMgr
 {
-    friend class ACE_Singleton<TicketMgr, ACE_Null_Mutex>;
-
 private:
     TicketMgr();
     ~TicketMgr();
 
 public:
+    static TicketMgr* instance();
+    
     void LoadTickets();
     void LoadSurveys();
 
@@ -246,6 +245,6 @@ protected:
     uint64 _lastChange;
 };
 
-#define sTicketMgr ACE_Singleton<TicketMgr, ACE_Null_Mutex>::instance()
+#define sTicketMgr TicketMgr::instance()
 
 #endif // _TICKETMGR_H
diff --git a/src/server/game/Warden/WardenCheckMgr.cpp b/src/server/game/Warden/WardenCheckMgr.cpp
index 0e2660603..682938185 100644
--- a/src/server/game/Warden/WardenCheckMgr.cpp
+++ b/src/server/game/Warden/WardenCheckMgr.cpp
@@ -26,6 +26,12 @@ WardenCheckMgr::~WardenCheckMgr()
         delete itr->second;
 }
 
+WardenCheckMgr* WardenCheckMgr::instance()
+{
+    static WardenCheckMgr instance;
+    return &instance;
+}
+
 void WardenCheckMgr::LoadWardenChecks()
 {
     // Check if Warden is enabled by config before loading anything
diff --git a/src/server/game/Warden/WardenCheckMgr.h b/src/server/game/Warden/WardenCheckMgr.h
index 55e9ec667..9e1c05e7c 100644
--- a/src/server/game/Warden/WardenCheckMgr.h
+++ b/src/server/game/Warden/WardenCheckMgr.h
@@ -36,11 +36,12 @@ struct WardenCheckResult
 
 class WardenCheckMgr
 {
-    friend class ACE_Singleton<WardenCheckMgr, ACE_Null_Mutex>;
     WardenCheckMgr();
     ~WardenCheckMgr();
 
     public:
+        static WardenCheckMgr* instance();
+
         // We have a linear key without any gaps, so we use vector for fast access
         typedef std::vector<WardenCheck*> CheckContainer;
         typedef std::map<uint32, WardenCheckResult*> CheckResultContainer;
@@ -61,6 +62,6 @@ class WardenCheckMgr
         CheckResultContainer CheckResultStore;
 };
 
-#define sWardenCheckMgr ACE_Singleton<WardenCheckMgr, ACE_Null_Mutex>::instance()
+#define sWardenCheckMgr WardenCheckMgr::instance()
 
 #endif
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 1c1375fec..0f5e309bc 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -158,6 +158,12 @@ World::~World()
     //TODO free addSessQueue
 }
 
+World* World::instance()
+{
+    static World instance;
+    return &instance;
+}
+
 /// Find a player in a specified zone
 Player* World::FindPlayerInZone(uint32 zone)
 {
@@ -182,7 +188,7 @@ bool World::IsClosed() const
 {
     return m_isClosed;
 }
-
+ 
 void World::SetClosed(bool val)
 {
     m_isClosed = val;
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index e4c44735b..db55b8e77 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -13,7 +13,6 @@
 
 #include "Common.h"
 #include "Timer.h"
-#include <ace/Singleton.h>
 #include <ace/Atomic_Op.h>
 #include "SharedDefines.h"
 #include "QueryResult.h"
@@ -563,11 +562,13 @@ struct PetitionData
 class World
 {
     public:
-        static uint32 m_worldLoopCounter;
-
         World();
         ~World();
 
+        static World* instance();
+
+        static uint32 m_worldLoopCounter;
+
         WorldSession* FindSession(uint32 id) const;
         WorldSession* FindOfflineSession(uint32 id) const;
         WorldSession* FindOfflineSessionForCharacterGUID(uint32 guidLow) const;
@@ -897,7 +898,7 @@ class World
 
         std::string m_configFileList;
 };
-
-#define sWorld ACE_Singleton<World, ACE_Null_Mutex>::instance()
+ 
+#define sWorld World::instance()
 #endif
 /// @}
diff --git a/src/server/shared/Realms/RealmList.cpp b/src/server/shared/Realms/RealmList.cpp
index 730c4ce41..890423cfa 100644
--- a/src/server/shared/Realms/RealmList.cpp
+++ b/src/server/shared/Realms/RealmList.cpp
@@ -10,6 +10,12 @@
 
 RealmList::RealmList() : m_UpdateInterval(0), m_NextUpdateTime(time(nullptr)) { }
 
+RealmList* RealmList::instance()
+{
+    static RealmList instance;
+    return &instance;
+}
+
 // Load the realm list from the database
 void RealmList::Initialize(uint32 updateInterval)
 {
diff --git a/src/server/shared/Realms/RealmList.h b/src/server/shared/Realms/RealmList.h
index 021dd758a..9ebb9c0cc 100644
--- a/src/server/shared/Realms/RealmList.h
+++ b/src/server/shared/Realms/RealmList.h
@@ -7,10 +7,8 @@
 #ifndef _REALMLIST_H
 #define _REALMLIST_H
 
-#include <ace/Singleton.h>
-#include <ace/Null_Mutex.h>
-#include <ace/INET_Addr.h>
 #include "Common.h"
+#include <ace/INET_Addr.h>
 
 enum RealmFlags
 {
@@ -50,10 +48,10 @@ public:
     RealmList();
     ~RealmList() { }
 
+    static RealmList* instance();
+
     void Initialize(uint32 updateInterval);
-
     void UpdateIfNeed();
-
     void AddRealm(const Realm& NewRealm) { m_realms[NewRealm.name] = NewRealm; }
 
     RealmMap::const_iterator begin() const { return m_realms.begin(); }
@@ -69,6 +67,6 @@ private:
     time_t   m_NextUpdateTime;
 };
 
-#define sRealmList ACE_Singleton<RealmList, ACE_Null_Mutex>::instance()
+#define sRealmList RealmList::instance()
 
 #endif
diff --git a/src/server/worldserver/Master.cpp b/src/server/worldserver/Master.cpp
index 75508a69b..d4250931e 100644
--- a/src/server/worldserver/Master.cpp
+++ b/src/server/worldserver/Master.cpp
@@ -8,8 +8,6 @@
     \ingroup Trinityd
 */
 
-#include <ace/Sig_Handler.h>
-
 #include "Common.h"
 #include "GitRevision.h"
 #include "SignalHandler.h"
@@ -17,9 +15,9 @@
 #include "WorldRunnable.h"
 #include "WorldSocket.h"
 #include "WorldSocketMgr.h"
-#include "Configuration/Config.h"
-#include "Database/DatabaseEnv.h"
-#include "Database/DatabaseWorkerPool.h"
+#include "Config.h"
+#include "DatabaseEnv.h"
+#include "DatabaseWorkerPool.h"
 
 #include "CliRunnable.h"
 #include "Log.h"
@@ -30,9 +28,9 @@
 #include "Util.h"
 #include "RealmList.h"
 #include "ScriptMgr.h"
-
 #include "BigNumber.h"
 #include "OpenSSLCrypto.h"
+#include <ace/Sig_Handler.h>
 
 #ifdef _WIN32
 #include "ServiceWin32.h"
@@ -107,6 +105,12 @@ public:
     }
 };
 
+Master* Master::instance()
+{
+    static Master instance;
+    return &instance;
+}
+
 /// Main function
 int Master::Run()
 {
diff --git a/src/server/worldserver/Master.h b/src/server/worldserver/Master.h
index c303a925e..70a559911 100644
--- a/src/server/worldserver/Master.h
+++ b/src/server/worldserver/Master.h
@@ -17,6 +17,7 @@
 class Master
 {
     public:
+        static Master* instance();
         int Run();
 
     private:
@@ -26,7 +27,7 @@ class Master
         void ClearOnlineAccounts();
 };
 
-#define sMaster ACE_Singleton<Master, ACE_Null_Mutex>::instance()
+#define sMaster Master::instance()
 
 #endif