diff --git a/core/themes/bartik/templates/status-messages.html.twig b/core/themes/bartik/templates/status-messages.html.twig
index aa1bedd773..a4e1e9e240 100644
--- a/core/themes/bartik/templates/status-messages.html.twig
+++ b/core/themes/bartik/templates/status-messages.html.twig
@@ -23,7 +23,7 @@
 {% block messages %}
   {% if message_list is not empty %}
     {{ attach_library('bartik/messages') }}
-    <div class="messages__wrapper layout-container" data-drupal-messages>
+    <div class="messages__wrapper layout-container">
       {{ parent() }}
     </div>
   {% endif %}