Embrace contracts.

app/Providers/RouteServiceProvider.php

@@ -1,6 +1,6 @@
 <?php namespace App\Providers;
 
-use App, URL;
+use Illuminate\Contracts\Routing\UrlGenerator;
 use Illuminate\Routing\RouteServiceProvider as ServiceProvider;
 
 class RouteServiceProvider extends ServiceProvider {
@@ -10,11 +10,12 @@ class RouteServiceProvider extends ServiceProvider {
 	 *
 	 * Register any model bindings or pattern based filters.
 	 *
+	 * @param  UrlGenerator  $url
 	 * @return void
 	 */
-	public function before()
+	public function before(UrlGenerator $url)
 	{
-		URL::setRootControllerNamespace(
+		$url->setRootControllerNamespace(
 			trim(config('namespaces.controllers'), '\\')
 		);
 	}
@@ -26,7 +27,7 @@ class RouteServiceProvider extends ServiceProvider {
 	 */
 	public function map()
 	{
-		App::booted(function()
+		$this->app->booted(function()
 		{
 			// Once the application has booted, we will include the default routes
 			// file. This "namespace" helper will load the routes file within a