Let router be inherited by route script.

app/Http/routes.php

@@ -11,4 +11,4 @@
 |
 */
 
-Route::get('/', 'HomeController@index');
+$router->get('/', 'HomeController@index');

app/Providers/RouteServiceProvider.php

 <?php namespace App\Providers;
 
+use Illuminate\Routing\Router;
 use Illuminate\Contracts\Routing\UrlGenerator;
 use Illuminate\Routing\RouteServiceProvider as ServiceProvider;
 
@@ -32,7 +33,7 @@ class RouteServiceProvider extends ServiceProvider {
 			// Once the application has booted, we will include the default routes
 			// file. This "namespace" helper will load the routes file within a
 			// route group which automatically sets the controller namespace.
-			$this->namespaced(function()
+			$this->namespaced(function(Router $router)
 			{
 				require app_path().'/Http/routes.php';
 			});