diff --git a/core/modules/comment/src/Plugin/views/row/Rss.php b/core/modules/comment/src/Plugin/views/row/Rss.php
index 0733cbe..ef43f9b 100644
--- a/core/modules/comment/src/Plugin/views/row/Rss.php
+++ b/core/modules/comment/src/Plugin/views/row/Rss.php
@@ -59,7 +59,7 @@ public function preRender($result) {
    */
   public function buildOptionsForm_summary_options() {
     $options = parent::buildOptionsForm_summary_options();
-    $options['title'] = $this->t('Title only');
+    $options[$this::TITLE_VIEW_MODE] = $this->t('Title only');
     return $options;
   }
 
@@ -102,14 +102,14 @@ public function render($row) {
 
     // The comment gets built and modules add to or modify
     // $comment->rss_elements and $comment->rss_namespaces.
-    $build = comment_view($comment, 'rss');
+    $build = comment_view($comment, $view_mode);
     unset($build['#theme']);
 
     if (!empty($comment->rss_namespaces)) {
       $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $comment->rss_namespaces);
     }
 
-    if ($view_mode != 'title') {
+    if ($view_mode != $this::TITLE_VIEW_MODE) {
       // We render comment contents.
       $description_build = $build;
     }
diff --git a/core/modules/node/src/Plugin/views/row/Rss.php b/core/modules/node/src/Plugin/views/row/Rss.php
index a945919..81d1fd8 100644
--- a/core/modules/node/src/Plugin/views/row/Rss.php
+++ b/core/modules/node/src/Plugin/views/row/Rss.php
@@ -68,7 +68,7 @@ public function __construct(array $configuration, $plugin_id, $plugin_definition
    */
   public function buildOptionsForm_summary_options() {
     $options = parent::buildOptionsForm_summary_options();
-    $options['title'] = $this->t('Title only');
+    $options['_views.rss.title'] = $this->t('Title only');
     return $options;
   }
 
@@ -126,10 +126,7 @@ public function render($row) {
 
     // The node gets built and modules add to or modify $node->rss_elements
     // and $node->rss_namespaces.
-
-    $build_mode = $display_mode;
-
-    $build = node_view($node, $build_mode);
+    $build = node_view($node, $display_mode);
     unset($build['#theme']);
 
     if (!empty($node->rss_namespaces)) {
@@ -145,7 +142,7 @@ public function render($row) {
       $this->view->style_plugin->namespaces += $xml_rdf_namespaces;
     }
 
-    if ($display_mode != 'title') {
+    if ($display_mode != $this::TITLE_VIEW_MODE) {
       // We render node contents.
       $description_build = $build;
     }
diff --git a/core/modules/system/config/install/system.rss.yml b/core/modules/system/config/install/system.rss.yml
index 994f55c..2a7ea4e 100644
--- a/core/modules/system/config/install/system.rss.yml
+++ b/core/modules/system/config/install/system.rss.yml
@@ -2,5 +2,4 @@ channel:
   description: ''
 items:
   limit: 10
-  view_mode: rss
 langcode: en
diff --git a/core/modules/views/src/Plugin/views/row/RssPluginBase.php b/core/modules/views/src/Plugin/views/row/RssPluginBase.php
index a72b313..0c366d9 100644
--- a/core/modules/views/src/Plugin/views/row/RssPluginBase.php
+++ b/core/modules/views/src/Plugin/views/row/RssPluginBase.php
@@ -17,6 +17,11 @@
 abstract class RssPluginBase extends RowPluginBase {
 
   /**
+   * A fake view mode to only display titles.
+   */
+  const TITLE_VIEW_MODE = '_views.rss.title';
+
+  /**
    * The entity manager.
    *
    * @var \Drupal\Core\Entity\EntityManagerInterface