diff --git a/configuration/micro_kernel_trait.rst b/configuration/micro_kernel_trait.rst
index 8a8d8795bb2..5940b918183 100644
--- a/configuration/micro_kernel_trait.rst
+++ b/configuration/micro_kernel_trait.rst
@@ -328,12 +328,9 @@ Finally, you need a front controller to boot and run the application. Create a
 
     // public/index.php
     use App\Kernel;
-    use Doctrine\Common\Annotations\AnnotationRegistry;
     use Symfony\Component\HttpFoundation\Request;
 
-    $loader = require __DIR__.'/../vendor/autoload.php';
-    // auto-load annotations
-    AnnotationRegistry::registerLoader([$loader, 'loadClass']);
+    require __DIR__.'/../vendor/autoload.php';
 
     $kernel = new Kernel('dev', true);
     $request = Request::createFromGlobals();