diff --git a/src/server/game/Instances/InstanceScript.cpp b/src/server/game/Instances/InstanceScript.cpp
index 600edae4a..5bc15b670 100644
--- a/src/server/game/Instances/InstanceScript.cpp
+++ b/src/server/game/Instances/InstanceScript.cpp
@@ -218,6 +218,11 @@ void InstanceScript::UpdateMinionState(Creature* minion, EncounterState state)
     }
 }
 
+void InstanceScript::Update(uint32 diff)
+{
+    scheduler.Update(diff);
+}
+
 void InstanceScript::UpdateDoorState(GameObject* door)
 {
     DoorInfoMapBounds range = doors.equal_range(door->GetEntry());
diff --git a/src/server/game/Instances/InstanceScript.h b/src/server/game/Instances/InstanceScript.h
index 4f3a2d8c9..da82f1fdc 100644
--- a/src/server/game/Instances/InstanceScript.h
+++ b/src/server/game/Instances/InstanceScript.h
@@ -20,6 +20,7 @@
 
 #include "CreatureAI.h"
 #include "ObjectMgr.h"
+#include "TaskScheduler.h"
 #include "World.h"
 #include "ZoneScript.h"
 #include <set>
@@ -159,7 +160,7 @@ public:
 
     void SaveToDB();
 
-    virtual void Update(uint32 /*diff*/) {}
+    virtual void Update(uint32 /*diff*/);
 
     //Used by the map's CanEnter function.
     //This is to prevent players from entering during boss encounters.
@@ -263,6 +264,8 @@ public:
 
     // Allows executing code using all creatures registered in the instance script as minions
     void DoForAllMinions(uint32 id, std::function<void(Creature*)> exec);
+
+    TaskScheduler scheduler;
 protected:
     void SetHeaders(std::string const& dataHeaders);
     void SetBossNumber(uint32 number) { bosses.resize(number); }
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
index b575abeb3..bd6ce0bf7 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
@@ -154,8 +154,8 @@ public:
             switch (type)
             {
                 case DATA_RAJAXX_WAVE_ENGAGED:
-                    _scheduler.CancelGroup(GROUP_RAJAXX_WAVE_TIMER);
-                    _scheduler.Schedule(2min, [this](TaskContext context)
+                    scheduler.CancelGroup(GROUP_RAJAXX_WAVE_TIMER);
+                    scheduler.Schedule(2min, [this](TaskContext context)
                     {
                         CallNextRajaxxLeader();
                         context.SetGroup(GROUP_RAJAXX_WAVE_TIMER);
@@ -195,8 +195,8 @@ public:
                             case NPC_YEGGETH:
                             case NPC_PAKKON:
                             case NPC_ZERRAN:
-                                _scheduler.CancelAll();
-                                _scheduler.Schedule(1s, [this, formation](TaskContext /*context*/)
+                                scheduler.CancelAll();
+                                scheduler.Schedule(1s, [this, formation](TaskContext /*context*/)
                                 {
                                     if (!formation->IsAnyMemberAlive())
                                     {
@@ -212,11 +212,6 @@ public:
             }
         }
 
-        void Update(uint32 diff) override
-        {
-            _scheduler.Update(diff);
-        }
-
         void SetGuidData(uint32 type, ObjectGuid data) override
         {
             if (type == DATA_PARALYZED)
@@ -285,7 +280,7 @@ public:
         void ResetRajaxxWaves()
         {
             _rajaxWaveCounter = 0;
-            _scheduler.CancelAll();
+            scheduler.CancelAll();
             for (auto const& data : RajaxxWavesData)
             {
                 if (Creature* creature = GetCreature(data.at(0)))
@@ -308,7 +303,6 @@ public:
         ObjectGuid _andorovGUID;
         uint32 _rajaxWaveCounter;
         uint8 _buruPhase;
-        TaskScheduler _scheduler;
     };
 
     InstanceScript* GetInstanceScript(InstanceMap* map) const override
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
index 1909fe48a..daa2c2e4e 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
@@ -210,15 +210,9 @@ public:
             return true;
         }
 
-        void Update(uint32 diff) override
-        {
-            scheduler.Update(diff);
-        }
-
     private:
         GuidVector CThunGraspGUIDs;
         uint32 BugTrioDeathCount;
-        TaskScheduler scheduler;
     };
 };