 
     /**
      *  @private 
-     *  Applications set estimated sizes for their children
-     */  
-    override public function setActualSize(w:Number, h:Number):void
-    {
-        if (FlexVersion.compatibilityVersion >= FlexVersion.VERSION_4_5)
-        {
-            setEstimatedSize(w, h, false);
-            invalidateEstimatedSizesOfChildren();
-            validateEstimatedSizesOfChildren();
-        }
-        
-        super.setActualSize(w, h);
-    }
-    
-    /**
-     *  @private 
-     */
-    override protected function invalidateParentSizeAndDisplayList(estimatedSizesChanged:Boolean = false):void
+     */
+    override protected function invalidateParentSizeAndDisplayList():void
     {
         if (!includeInLayout)
             return;

        {
            invalidateProperties();
            invalidateSize();
            invalidateEstimatedSizesOfChildren();
        }
        
        setActualSize(w, h);

            return;
        }

        super.invalidateParentSizeAndDisplayList();
    }

    /**
