diff --git a/core/modules/node/src/Form/NodePreviewForm.php b/core/modules/node/src/Form/NodePreviewForm.php
index c7333fbe4034de230442d7930fd952367fbc3edf..cfefb4ffe5886d1a75c6ad52b6bab0a607ddd84c 100644
--- a/core/modules/node/src/Form/NodePreviewForm.php
+++ b/core/modules/node/src/Form/NodePreviewForm.php
@@ -96,7 +96,6 @@ public function buildForm(array $form, FormStateInterface $form_state, ?EntityIn
     // Unset view modes that are not used in the front end.
     unset($view_mode_options['default']);
     unset($view_mode_options['rss']);
-    unset($view_mode_options['search_index']);
 
     $form['uuid'] = [
       '#type' => 'value',