.../modules/search/lib/Drupal/search/Form/SearchBlockForm.php |    9 ---------
 1 file changed, 9 deletions(-)

diff --git a/core/modules/search/lib/Drupal/search/Form/SearchBlockForm.php b/core/modules/search/lib/Drupal/search/Form/SearchBlockForm.php
index 0635eb0..ad96735 100644
--- a/core/modules/search/lib/Drupal/search/Form/SearchBlockForm.php
+++ b/core/modules/search/lib/Drupal/search/Form/SearchBlockForm.php
@@ -103,13 +103,4 @@ public function submitForm(array &$form, array &$form_state) {
     }
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function defaultConfiguration() {
-    // This is a block containing a simple form without state, which is safe to
-    // cache forever.
-    return array('cache' => array('max_age' => \Drupal\Core\Cache\Cache::PERMANENT));
-  }
-
 }