@@ -122,28 +122,11 @@
 {
 	return (id)[[OFConcreteMutableArray alloc] initWithObjects: objects
 							     count: count];
 }
 
-- (instancetype)retain
-{
-	return self;
-}
-
-- (instancetype)autorelease
-{
-	return self;
-}
-
-- (void)release
-{
-}
-
-- (void)dealloc
-{
-	OF_DEALLOC_UNSUPPORTED
-}
+OF_SINGLETON_METHODS
 @end
 
 @implementation OFMutableArray
 + (void)initialize
 {