diff --git a/core/modules/config/tests/config_override_test/src/PirateDayCacheabilityMetadataConfigOverride.php b/core/modules/config/tests/config_override_test/src/PirateDayCacheabilityMetadataConfigOverride.php
index cfe306a7b8c0c4df7a958d1c056b323bf6ed046c..8610eadeea41b73c8f2d04d3709f6f77b47459ac 100644
--- a/core/modules/config/tests/config_override_test/src/PirateDayCacheabilityMetadataConfigOverride.php
+++ b/core/modules/config/tests/config_override_test/src/PirateDayCacheabilityMetadataConfigOverride.php
@@ -61,17 +61,4 @@ public function getCacheableMetadata($name) {
     return $metadata;
   }
 
-  /**
-   * Returns whether or not our overrides are potentially applicable.
-   *
-   * @param string $name
-   *   The name of the config object that is being constructed.
-   *
-   * @return bool
-   *   TRUE if the merchant ship will be boarded. FALSE if we drink rum instead.
-   */
-  protected function isCacheabilityMetadataApplicable($name) {
-    return in_array($name, ['system.theme', 'block.block.call_to_action']);
-  }
-
 }