diff --git a/config/app.php b/config/app.php
index 40e80de7fa27..87b04d3f4f45 100644
--- a/config/app.php
+++ b/config/app.php
@@ -201,7 +201,7 @@ return [
         App\Providers\MultiDBProvider::class,
         App\Providers\ClientPortalServiceProvider::class,
         App\Providers\NinjaTranslationServiceProvider::class,
-        App\Providers\MailCssInlinerServiceProvider::class,
+        // App\Providers\MailCssInlinerServiceProvider::class,
     ],
 
     /*