.../node/src/Plugin/Block/SyndicateBlock.php       | 23 ----------------------
 1 file changed, 23 deletions(-)

diff --git a/core/modules/node/src/Plugin/Block/SyndicateBlock.php b/core/modules/node/src/Plugin/Block/SyndicateBlock.php
index 763501f..1e32128 100644
--- a/core/modules/node/src/Plugin/Block/SyndicateBlock.php
+++ b/core/modules/node/src/Plugin/Block/SyndicateBlock.php
@@ -48,27 +48,4 @@ public function build() {
     );
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
-    $form = parent::buildConfigurationForm($form, $form_state);
-
-    // @see ::isCacheable()
-    $form['cache']['#disabled'] = TRUE;
-    $form['cache']['#description'] = $this->t('This block is never cacheable, it is not configurable.');
-    $form['cache']['max_age']['#value'] = 0;
-
-    return $form;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getCacheMaxAge() {
-    // The 'Syndicate' block is never cacheable, because it is cheaper to just
-    // render it rather than to cache it and incur I/O.
-    return 0;
-  }
-
 }