diff --git a/core/lib/Drupal/Core/Render/Element/StatusMessages.php b/core/lib/Drupal/Core/Render/Element/StatusMessages.php
index 00f6430..febf018 100644
--- a/core/lib/Drupal/Core/Render/Element/StatusMessages.php
+++ b/core/lib/Drupal/Core/Render/Element/StatusMessages.php
@@ -104,7 +104,6 @@ public static function renderMessages(array $element, array $context) {
 
     // Render the messages.
     $messages = [
-      '#attached' => ['library' => ['core/drupal.message']],
       '#theme' => 'status_messages',
       // @todo Improve when https://www.drupal.org/node/2278383 lands.
       '#message_list' => drupal_get_messages($context['display']),
diff --git a/core/misc/message.js b/core/misc/message.js
index 44fb4f2..64fd110 100644
--- a/core/misc/message.js
+++ b/core/misc/message.js
@@ -6,8 +6,9 @@
 
   "use strict";
 
-  var messages = [];
-  var messagesElement;
+  var messages = [],
+      messagesElement,
+      debouncedProcessMessages;
 
   /**
    * Builds a div element with the aria-live attribute and attaches it to the DOM.
@@ -28,10 +29,11 @@
    * @see debouncedProcessMessages
    */
   function processMessages () {
-    var text = [];
-    var message;
+    var text = [],
+        message, n, nl;
+
     if (messages.length) {
-      for (var n = 0, nl = messages.length; n < nl; n++) {
+      for (n = 0, nl = messages.length; n < nl; n++) {
         message = messages.pop();
         text.unshift(Drupal.theme('message', message));
       }
@@ -42,7 +44,7 @@
   }
 
   // Debounce the function in case Drupal.message() is used in a loop.
-  var debouncedProcessMessages = debounce(processMessages, 100);
+  debouncedProcessMessages = debounce(processMessages, 100);
 
   /**
    * Displays a message on the page.