diff --git a/src/EventBase.php b/src/EventBase.php
index 0995b083..36533d73 100644
--- a/src/EventBase.php
+++ b/src/EventBase.php
@@ -2,14 +2,6 @@
 
 namespace Drupal\commerce;
 
-// Drupal\Component\EventDispatcher\Event was introduced in Drupal core 9.1 to
-// assist with deprecations and the transition to Symfony 5.
-// @todo Remove this when core 9.1 is the lowest supported version.
-// @see https://www.drupal.org/project/commerce/issues/3192056
-if (!class_exists('Drupal\Component\EventDispatcher\Event')) {
-  class_alias('Symfony\Component\EventDispatcher\Event', 'Drupal\Component\EventDispatcher\Event');
-}
-
 use Drupal\Component\EventDispatcher\Event;
 
 /**