diff --git a/src/Utils/Exceptions.cs b/src/Utils/Exceptions.cs
index 1697774..824dbe3 100644
--- a/src/Utils/Exceptions.cs
+++ b/src/Utils/Exceptions.cs
@@ -30,29 +30,11 @@ namespace DCFApixels.DragonECS.Internal
 {
     internal static class Throw
     {
-        [MethodImpl(MethodImplOptions.NoInlining)]
-        internal static void ArgumentNull()
-        {
-            throw new ArgumentNullException();
-        }
-
         [MethodImpl(MethodImplOptions.NoInlining)]
         internal static void ConstraintIsAlreadyContainedInMask(Type type)
         {
             throw new EcsFrameworkException($"The {EcsDebugUtility.GetGenericTypeName(type)} constraint is already contained in the mask.");
         }
-
-        //[MethodImpl(MethodImplOptions.NoInlining)]
-        //public static void ArgumentDifferentWorldsException()
-        //{
-        //    throw new ArgumentException("The groups belong to different worlds.");
-        //}
-        [MethodImpl(MethodImplOptions.NoInlining)]
-        internal static void ArgumentOutOfRange()
-        {
-            throw new ArgumentOutOfRangeException($"index is less than 0 or is equal to or greater than Count.");
-        }
-
         [MethodImpl(MethodImplOptions.NoInlining)]
         internal static void Group_AlreadyContains(int entityID)
         {
@@ -128,6 +110,18 @@ namespace DCFApixels.DragonECS.Internal
             else
                 throw new EcsFrameworkException($"The {entity} is not alive.");
         }
+
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static void ArgumentNull()
+        {
+            throw new ArgumentNullException();
+        }
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static void ArgumentOutOfRange()
+        {
+            throw new ArgumentOutOfRangeException($"index is less than 0 or is equal to or greater than Count.");
+        }
         [MethodImpl(MethodImplOptions.NoInlining)]
         internal static void UndefinedException()
         {