diff --git a/core/modules/system/src/Tests/Update/UpdatePathTestBase.php b/core/modules/system/src/Tests/Update/UpdatePathTestBase.php
index fbd7ab0..6485355 100644
--- a/core/modules/system/src/Tests/Update/UpdatePathTestBase.php
+++ b/core/modules/system/src/Tests/Update/UpdatePathTestBase.php
@@ -269,23 +269,6 @@ protected function runUpdates() {
    * {@inheritdoc}
    */
   protected function rebuildAll() {
-    // We know the rebuild causes notices, so don't exit on failure.
-    $die_on_fail = $this->dieOnFail;
-    $this->dieOnFail = FALSE;
-
     // Initialize the container. parent::rebuildall() is not safe to call here.
     $this->container = \Drupal::getContainer();
-
-    // Remove the notices we get due to the menu link rebuild prior to running
-    // the system updates for the schema change.
-    foreach ($this->assertions as $key => $assertion) {
-      if ($assertion['message_group'] == 'Notice' && basename($assertion['file']) == 'MenuTreeStorage.php' && strpos($assertion['message'], 'unserialize(): Error at offset 0') !== FALSE) {
-        unset($this->assertions[$key]);
-        $this->deleteAssert($assertion['message_id']);
-        $this->results['#exception']--;
-      }
-    }
-    $this->dieOnFail = $die_on_fail;
-  }
-
 }