diff --git a/src/EcsWorld.pools.cs b/src/EcsWorld.pools.cs
index d9067ab..03802f6 100644
--- a/src/EcsWorld.pools.cs
+++ b/src/EcsWorld.pools.cs
@@ -13,7 +13,9 @@ namespace DCFApixels.DragonECS
         private int _poolsCount;
         internal IEcsPoolImplementation[] _pools;
         internal PoolSlot[] _poolSlots;
+#if (DEBUG && !DISABLE_DEBUG) || ENABLE_DRAGONECS_ASSERT_CHEKS
         private int _lockedPoolCount = 0;
+#endif
 
         private readonly PoolsMediator _poolsMediator;