Removing eventlistener from another scope

1

Hi everyone.

I got this function with an eventlistener like this:

		
public function onScroll(denne:MovieClip)
		{
			Main.instance.addEventListener(MouseEvent.MOUSE_WHEEL, onMouseWheelEvent);


			function onMouseWheelEvent(event:MouseEvent):void
			{
				denne.y +=  event.delta * 50;
			}
		}

Is it possible to remove the listener within another As3 file?