diff --git a/src/Foundation/InstalledSite.php b/src/Foundation/InstalledSite.php
index e7f572e4f2..a02a44d3a8 100644
--- a/src/Foundation/InstalledSite.php
+++ b/src/Foundation/InstalledSite.php
@@ -153,19 +153,15 @@ protected function bootLaravel(): Container
     }
 
     /**
-     * @param Application $app
      * @return ConfigRepository
      */
-    protected function getIlluminateConfig(Application $app)
+    protected function getIlluminateConfig()
     {
         return new ConfigRepository([
             'view' => [
                 'paths' => [],
                 'compiled' => $this->paths->storage.'/views',
             ],
-            'mail' => [
-                'driver' => 'mail',
-            ],
             'session' => [
                 'lifetime' => 120,
                 'files' => $this->paths->storage.'/sessions',