diff --git a/core/includes/common.inc b/core/includes/common.inc
index 19ad5f1..45a29b2 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -539,34 +539,6 @@ function drupal_get_destination() {
 }
 
 /**
- * Utility method to get the normalized type of the current request.
- *
- * Fetches the ContentNegotiation and Request objects from the current container
- * and returns the associated request content type. The normalized type is a
- * short, lowercase version of the format, such as 'html', 'json' or 'atom'.
- *
- * @return string|false
- *   The request type, or false if the objects are unavailable.
- */
-function drupal_get_request_content_type() {
-  $type = &drupal_static(__FUNCTION__);
-
-  if (isset($type)) {
-    return $type;
-  }
-  else {
-    $container = drupal_container();
-    if ($container->has('request') && $container->has('content_negotiation')) {
-      $type = $container->get('content_negotiation')->getContentType($container->get('request'));
-    }
-    else {
-      $type = FALSE;
-    }
-  }
-  return $type;
-}
-
-/**
  * Parses a system URL string into an associative array suitable for url().
  *
  * This function should only be used for URLs that have been generated by the
@@ -3927,7 +3899,10 @@ function drupal_get_js($scope = 'header', $javascript = NULL, $skip_alter = FALS
     uasort($items, 'drupal_sort_css_js');
     // Don't add settings if there is no other JavaScript on the page, unless
     // this is an AJAX request.
-    if (!empty($items['settings']) || drupal_get_request_content_type() == 'ajax') {
+    // @todo Clean up container call.
+    $container = drupal_container();
+    $type = $container->get('content_negotiation')->getContentType($container->get('request'));
+    if (!empty($items['settings']) || $type == 'ajax') {
       global $theme_key;
       // Provide the page with information about the theme that's used, so that
       // a later AJAX request can be rendered using the same theme.