diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 7923aac..914fdfd 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -167,7 +167,10 @@ namespace DCFApixels.DragonECS
             }
             if(id == NULL_WORLD_ID)
             {
+#if (DEBUG && !DISABLE_DEBUG)
                 Throw.World_WorldCantBeDestroyed();
+#endif
+                return;
             }
             _listeners.InvokeOnWorldDestroy();
             _entityDispenser = null;
diff --git a/src/EcsWorld.static.cs b/src/EcsWorld.static.cs
index 47d501c..51f1fdf 100644
--- a/src/EcsWorld.static.cs
+++ b/src/EcsWorld.static.cs
@@ -131,7 +131,7 @@ namespace DCFApixels.DragonECS
         }
         private sealed class NullWorld : EcsWorld
         {
-            internal NullWorld() : base(ConfigContainer.Empty, 0) { }
+            internal NullWorld() : base(new EcsWorldConfig(4, 4, 4, 4, 4), 0) { }
         }
     }
 }