diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index 278826e..20bf596 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -887,9 +887,6 @@ public static function bootEnvironment() {
     $core_root = dirname(dirname(dirname(__DIR__)));
     require_once $core_root . '/includes/bootstrap.inc';
 
-    // Enforce E_STRICT, but allow users to set levels not part of E_STRICT.
-    error_reporting(E_STRICT | E_ALL);
-
     // Override PHP settings required for Drupal to work properly.
     // sites/default/default.settings.php contains more runtime settings.
     // The .htaccess file contains settings that cannot be changed at runtime.