 		super.init(frame: initialFrame)
 
 		self.backgroundColor = nil
-
-		let uiScheduler = UIScheduler()
 
 		self.requestsSignal
 			.skipRepeats()

		initialFrame: CGRect,
		renderer: Renderer,
		placeholderRenderer: PlaceholderRenderer? = nil,
		imageCreationScheduler: SchedulerType = QueueScheduler())
	{
		(self.requestsSignal, self.requestsObserver) = Signal.pipe()

				}
			})
			.observeOn(self.imageCreationScheduler)
			.flatMap(.Latest) { data -> SignalProducer<Renderer.RenderResult, NoError> in
				if let placeholderRenderer = placeholderRenderer {
					return placeholderRenderer
						.renderImageWithData(data)
