diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 296868a..195a115 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -33,8 +33,6 @@ namespace DCFApixels.DragonECS
         private IdDispenser _entityDispenser;
         private int _entitiesCount = 0;
         private int _entitiesCapacity = 0;
-        //private short[] _gens = Array.Empty<short>(); //старший бит указывает на то жива ли сущность
-        //private short[] _componentCounts = Array.Empty<short>();
         private EntitySlot[] _entities = Array.Empty<EntitySlot>();
 
         private int[] _delEntBuffer = Array.Empty<int>();
@@ -154,8 +152,6 @@ namespace DCFApixels.DragonECS
         public void Destroy()
         {
             _entityDispenser = null;
-            //_gens = null;
-            //_componentCounts = null;
             _pools = null;
             _nullPool = null;
             _worlds[id] = null;
@@ -231,11 +227,8 @@ namespace DCFApixels.DragonECS
             _entitiesCount++;
             if (_entitiesCapacity <= entityID)
             {
-                //OnEntityDispenserResized(_gens.Length << 1);
                 OnEntityDispenserResized(_entities.Length << 1);
             }
-            //_gens[entityID] &= GEN_MASK;
-            //_entities[entityID].gen &= GEN_MASK;
             _entities[entityID].isUsed = true;
             _entityListeners.InvokeOnNewEntity(entityID);
         }
@@ -262,7 +255,6 @@ namespace DCFApixels.DragonECS
 #endif
             UpVersion();
             _delEntBuffer[_delEntBufferCount++] = entityID;
-            //_gens[entityID] |= DEATH_GEN_BIT;
             _entities[entityID].isUsed = false;
             _entitiesCount--;
             _entityListeners.InvokeOnDelEntity(entityID);
@@ -288,20 +280,17 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public unsafe EntitySlotInfo GetEntitySlotInfoDebug(int entityID)
         {
-            //return new EntitySlotInfo(entityID, _gens[entityID], id);
             return new EntitySlotInfo(entityID, _entities[entityID].gen, id);
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool IsAlive(int entityID, short gen)
         {
-            //ref short slotGen = ref _gens[entityID];
             ref var slot = ref _entities[entityID];
             return slot.gen == gen && slot.isUsed;
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool IsUsed(int entityID)
         {
-            //return _entityDispenser.IsUsed(entityID);
             return _entities[entityID].isUsed;
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -309,7 +298,6 @@ namespace DCFApixels.DragonECS
         {
             unchecked
             {
-                //ref short slotGen = ref _gens[entityID];
                 ref short slotGen = ref _entities[entityID].gen;
                 if (slotGen < 0)
                 { //up gen
@@ -323,7 +311,6 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public short GetComponentsCount(int entityID)
         {
-            //return _componentCounts[entityID];
             return _entities[entityID].componentsCount;
         }
 
@@ -360,7 +347,6 @@ namespace DCFApixels.DragonECS
             int delCount = 0;
             foreach (var e in Entities)
             {
-                //if (_componentCounts[e] <= 0)
                 if (_entities[e].componentsCount <= 0)
                 {
                     DelEntity(e);
@@ -383,7 +369,6 @@ namespace DCFApixels.DragonECS
             int delCount = 0;
             foreach (var e in Entities)
             {
-                //if (_componentCounts[e] <= 0)
                 if (_entities[e].componentsCount <= 0)
                 {
                     delCount++;
@@ -483,7 +468,6 @@ namespace DCFApixels.DragonECS
             for (int i = 0; i < slisedCount; i++)
             {
                 int e = _delEntBuffer[i];
-                //if (_componentCounts[e] <= 0)
                 if (_entities[e].componentsCount <= 0)
                 {
                     int tmp = _delEntBuffer[i];
@@ -508,8 +492,6 @@ namespace DCFApixels.DragonECS
             {
                 int e = buffer[i];
                 _entityDispenser.Release(e);
-                //unchecked { _gens[e]++; }//up gen
-                //_gens[e] |= DEATH_GEN_BIT;
                 _entities[e].gen |= SLEEPING_GEN_FLAG;
             }
             Densify();
@@ -528,14 +510,11 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.NoInlining)]
         private void OnEntityDispenserResized(int newSize)
         {
-            //Array.Resize(ref _gens, newSize);
-            //Array.Resize(ref _componentCounts, newSize);
             Array.Resize(ref _entities, newSize);
             Array.Resize(ref _delEntBuffer, newSize);
             _entityComponentMaskLength = _pools.Length / COMPONENT_MATRIX_MASK_BITSIZE + 1;
             Array.Resize(ref _entityComponentMasks, newSize * _entityComponentMaskLength);
 
-            //ArrayUtility.Fill(_gens, DEATH_GEN_BIT, _entitiesCapacity);
             ArrayUtility.Fill(_entities, EntitySlot.Empty, _entitiesCapacity);
 
             _entitiesCapacity = newSize;
diff --git a/src/EcsWorld.pools.cs b/src/EcsWorld.pools.cs
index 6a8eedd..be7f207 100644
--- a/src/EcsWorld.pools.cs
+++ b/src/EcsWorld.pools.cs
@@ -210,7 +210,6 @@ namespace DCFApixels.DragonECS
         private void RegisterEntityComponent(int entityID, int componentTypeID, EcsMaskChunck maskBit)
         {
             _poolComponentCounts[componentTypeID]++;
-            //_componentCounts[entityID]++;
             _entities[entityID].componentsCount++;
             _entityComponentMasks[entityID * _entityComponentMaskLength + maskBit.chankIndex] |= maskBit.mask;
         }
@@ -218,7 +217,6 @@ namespace DCFApixels.DragonECS
         private void UnregisterEntityComponent(int entityID, int componentTypeID, EcsMaskChunck maskBit)
         {
             _poolComponentCounts[componentTypeID]--;
-            //var count = --_componentCounts[entityID];
             var count = --_entities[entityID].componentsCount;
             _entityComponentMasks[entityID * _entityComponentMaskLength + maskBit.chankIndex] &= ~maskBit.mask;
 
@@ -241,7 +239,6 @@ namespace DCFApixels.DragonECS
             {
                 chunk = newChunk;
                 _poolComponentCounts[componentTypeID]++;
-                //_componentCounts[entityID]++;
                 _entities[entityID].componentsCount++;
                 return true;
             }
@@ -255,7 +252,6 @@ namespace DCFApixels.DragonECS
             if (chunk != newChunk)
             {
                 _poolComponentCounts[componentTypeID]--;
-                //var count = --_componentCounts[entityID];
                 var count = --_entities[entityID].componentsCount;
                 chunk = newChunk;