Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as
===================================================================
diff -u -rf6feb41423feec51b180a6414bad390987e691a8 -rdd5cbd66b166b7c58583bec49ca4fe1953da532f
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision f6feb41423feec51b180a6414bad390987e691a8)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision dd5cbd66b166b7c58583bec49ca4fe1953da532f)
@@ -435,7 +435,7 @@
 		
 			
 		}
-		_cv.removeActivity(ca.activity.activityUIID);
+		removeActivityOnBin(ca.activity.activityUIID);
 		setDirty();
 	}
 	
@@ -455,7 +455,22 @@
 		}
 	}
 	
+	public function removeActivityOnBin(activityUIID):Object{
+		//dispatch an event to show the design  has changed
+				
+		var r:Object = _activitiesDisplayed.remove(activityUIID);
+		if(r==null){
+			return new LFError("Removing activity failed:"+activityUIID,"removeActivity",this,null);
+		}else{
+			Debugger.log('Removed:'+r.activityUIID,Debugger.GEN,'removeActivity','DesignDataModel');
+				//dispatchEvent({type:'ddmUpdate',target:this});
+			
+			r.removeMovieClip();
+			_cv.removeActivity(activityUIID);
+		}
+	}
 	
+	
 	/**
 	 * Adds another Canvas Activity to the transition.  
 	 * Only 2 may be added, adding the 2nd one triggers the creation of the transition.