diff --git a/src/kiss_flixel/GroupTools.kiss b/src/kiss_flixel/GroupTools.kiss
index 38473d7..22be101 100644
--- a/src/kiss_flixel/GroupTools.kiss
+++ b/src/kiss_flixel/GroupTools.kiss
@@ -1,17 +1,12 @@
-(function :Void clearNulls <>[:FlxObject T] [:FlxTypedGroup<T> group]
-    (while (contains group.members null)
-        (group.members.splice (group.members.lastIndexOf null) 1)))
-
-// Because FlxGroup will fill elements into null gaps in groups, this method inefficiently clears null gaps
 (function :Void bringToFront <>[:FlxObject T] [:FlxTypedGroup<T> group :T obj]
-    (group.remove obj true)
-    (clearNulls group)
-    (group.add obj))
+    (when (contains group.members obj)
+        (group.members.remove obj)
+        (group.members.push obj)))
 
-// Because FlxGroup will fill elements into null gaps in groups, this method throws an error when a null gap is present
 (function :Void sendToBack <>[:FlxObject T] [:FlxTypedGroup<T> group :T obj]
-    (group.remove obj true)
-    (group.insert 0 obj))
+    (when (contains group.members obj)
+        (group.remove obj)
+        (group.insert 0 obj)))
 
 (function :FlxRect calculateBounds <>[:FlxObject T] [:FlxTypedGroup<T> group &opt :Float margin]
     (unless margin (set margin 0))