diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 2211754..722c34a 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -220,27 +220,16 @@
         },
         set: function (value)
         {
-            // reset previous mask
             if (this._mask)
             {
                 this._mask.renderable = true;
-                this._mask.parent = null;
             }
 
-            // set mask to the passed in value
             this._mask = value;
 
-            // if a non-null value
-            if (value) {
-                // remove new mask from scene if it is in it
-                if (value.parent) {
-                    value.parent.removeChild(value);
-                }
-
-                // set this as the parent of the mask object
-                value.parent = this;
-
-                value.renderable = false;
+            if (this._mask)
+            {
+                this._mask.renderable = false;
             }
         }
     },
@@ -332,10 +321,6 @@
         wt.ty = tx * pt.b + ty * pt.d + pt.ty;
     }
 
-    if (this._mask) {
-        this._mask.updateTransform();
-    }
-
     // multiply the alphas..
     this.worldAlpha = this.alpha * this.parent.worldAlpha;