diff --cc lib/Drupal/views/Plugin/views/display/Feed.php
index 0f776c0,bfd220c..0000000
--- a/lib/Drupal/views/Plugin/views/display/Feed.php
+++ b/lib/Drupal/views/Plugin/views/display/Feed.php
@@@ -171,10 -138,9 +171,9 @@@ class Feed extends Page 
    /**
     * Provide the default form for setting options.
     */
 -  function options_form(&$form, &$form_state) {
 +  public function buildOptionsForm(&$form, &$form_state) {
-     parent::buildOptionsForm($form, $form_state);
      // It is very important to call the parent function here.
 -    parent::options_form($form, $form_state);
 +    parent::buildOptionsForm($form, $form_state);
  
      switch ($form_state['section']) {
        case 'title':
diff --cc lib/Drupal/views/Plugin/views/display/Page.php
index 3d0f0b5,7a41fe6..0000000
--- a/lib/Drupal/views/Plugin/views/display/Page.php
+++ b/lib/Drupal/views/Plugin/views/display/Page.php
@@@ -321,10 -296,9 +321,9 @@@ class Page extends DisplayPluginBase 
    /**
     * Provide the default form for setting options.
     */
 -  function options_form(&$form, &$form_state) {
 +  public function buildOptionsForm(&$form, &$form_state) {
-     parent::buildOptionsForm($form, $form_state);
      // It is very important to call the parent function here:
 -    parent::options_form($form, $form_state);
 +    parent::buildOptionsForm($form, $form_state);
  
      switch ($form_state['section']) {
        case 'path':