core/modules/rdf/rdf.module                         | 2 --
 core/modules/system/src/Tests/Common/RenderTest.php | 6 +++---
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/core/modules/rdf/rdf.module b/core/modules/rdf/rdf.module
index 4308e8e..20f9d38 100644
--- a/core/modules/rdf/rdf.module
+++ b/core/modules/rdf/rdf.module
@@ -367,9 +367,7 @@ function rdf_preprocess_user(&$variables) {
           'lang' => '',
         ),
       );
-      // @todo Convert once https://www.drupal.org/node/2346369 is in.
       $build['#attached']['html_head'][] = [$username_meta, 'rdf_user_username'];
-      drupal_render($build);
     }
   }
 }
diff --git a/core/modules/system/src/Tests/Common/RenderTest.php b/core/modules/system/src/Tests/Common/RenderTest.php
index 58330c1..15da0e5 100644
--- a/core/modules/system/src/Tests/Common/RenderTest.php
+++ b/core/modules/system/src/Tests/Common/RenderTest.php
@@ -1185,15 +1185,15 @@ protected function randomContextValue() {
    * Tests drupal_process_attached().
    */
   public function testDrupalProcessAttached() {
-    // Specify an invalid render array.
+    // Specify invalid attachments in a render array.
     $build['#attached']['library'][] = 'core/drupal.states';
     $build['#attached']['drupal_process_states'][] = [];
     try {
       drupal_process_attached($build);
-      $this->fail("Invalid #attachmend 'drupal_process_states' allowed");
+      $this->fail("Invalid #attachment 'drupal_process_states' allowed");
     }
     catch (\Exception $e) {
-      $this->pass("Invalid #attachmend 'drupal_process_states' not allowed");
+      $this->pass("Invalid #attachment 'drupal_process_states' not allowed");
     }
   }