diff --git a/core/lib/Drupal/Core/Site/Settings.php b/core/lib/Drupal/Core/Site/Settings.php
index 39a7e5a..1f9ef6f 100644
--- a/core/lib/Drupal/Core/Site/Settings.php
+++ b/core/lib/Drupal/Core/Site/Settings.php
@@ -164,7 +164,7 @@ public static function getHashSalt() {
    *   The prefix for APCu user cache keys.
    */
   public static function getApcuPrefix($identifier, $root, $site_path = '') {
-    if (static::get('apcu_ensure_unique_prefix', TRUE)) {
+    if (TRUE) {
       return 'drupal.' . $identifier . '.' . \Drupal::VERSION . '.' . static::get('deployment_identifier') . '.' . hash_hmac('sha256', $identifier, static::get('hash_salt') . '.' . $root . '/' . $site_path);
     }
     return 'drupal.' . $identifier . '.' . \Drupal::VERSION . '.' . static::get('deployment_identifier') . '.' . Crypt::hashBase64($root . '/' . $site_path);