diff --git a/composer.json b/composer.json
index 6ed1427..aee27a2 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "illuminate/filesystem": "^5.5",
     "illuminate/support": "^5.5",
     "laravel/dusk": "^2.0",
-    "phpunit/phpunit": "^6.0",
+    "phpunit/phpunit": "*",
     "symfony/filesystem": "^3.3",
     "symfony/http-kernel": "^3.3",
     "vlucas/phpdotenv": "^2.4"
diff --git a/src/app.php b/src/app.php
index 98781b0..68063d3 100644
--- a/src/app.php
+++ b/src/app.php
@@ -28,21 +28,11 @@
 |
 */
 
-/*$app->singleton(
-    Illuminate\Contracts\Http\Kernel::class,
-    App\Http\Kernel::class
-);*/
-
 $app->singleton(
     Illuminate\Contracts\Console\Kernel::class,
     Dusker\Console\Kernel::class
 );
 
-/*$app->singleton(
-    Illuminate\Contracts\Debug\ExceptionHandler::class,
-    App\Exceptions\Handler::class
-);*/
-
 $app->register(new DuskServiceProvider($app));
 
 /*