diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
index 13a90b5..89d2c3d 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
@@ -95,14 +95,6 @@ function render($row) {
       ),
     );
 
-    if (isset($entity->elements)) {
-      foreach ($entity->elements as $element) {
-        if (isset($element['namespace'])) {
-          $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $element['namespace']);
-        }
-      }
-    }
-
     return theme($this->themeFunctions(), array(
       'view' => $this->view,
       'options' => $this->options,