 			anchors[type] = createAnchor(@, type, val)
 
 		return
-
-	setItemMargin: do (_super = impl.setItemMargin) -> (type, val) ->
-		_super.call @, type, val
-
-		# TODO: update only needed anchors
-		if anchors = @_impl.anchors
-			for source, anchor of anchors
-				anchor?.update()
-		return

			if padding = @item._padding
				r += getPaddingValue[@source] padding

			if @updateLoops <= MAX_LOOPS
				@updateLoops++
				@item[@prop] = r
				if --@updateLoops is MAX_LOOPS
					log.error "Potential anchors loop detected. Recalculating on this anchor (#{@}) has been disabled."
					@updateLoops++
					return
			return

		destroy: ->

			Object.preventExtensions @

		update: ->
			# sometimes it can be already destroyed
			if not @item or @updateLoops > MAX_LOOPS
				return

			# targetItem can be possibly different than actual value;
