asc compile error

public function compileErrorTest():void {
	var timer:Timer = new Timer(1000);
	timer.addEventListener(TimerEvent.TIMER, function onTick(event:Event):void {
		var httpService:HTTPService = new HTTPService();
		httpService.addEventListener(ResultEvent.RESULT, 
		function http(event:ResultEvent):void {
			httpService.removeEventListener(ResultEvent.RESULT, http);
		});
	});
}