Use new providers.

app/Providers/EventServiceProvider.php

@@ -1,7 +1,7 @@
 <?php namespace App\Providers;
 
 use Illuminate\Contracts\Events\Dispatcher;
-use Illuminate\Events\ListenerServiceProvider as ServiceProvider;
+use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
 
 class EventServiceProvider extends ServiceProvider {