diff --git a/core/lib/Drupal/Component/Utility/DiffArray.php b/core/lib/Drupal/Component/Utility/DiffArray.php
index 5159cc9..86b98d3 100644
--- a/core/lib/Drupal/Component/Utility/DiffArray.php
+++ b/core/lib/Drupal/Component/Utility/DiffArray.php
@@ -15,14 +15,11 @@ class DiffArray {
   /**
    * Computes the difference between arrays.
    *
-   * This function is the same as array_diff_assoc() but multidimensional arrays
-   * do not throw notices. Note that as the comparison is made by (string)
-   * $value1 === (string) $value2 every array element is considered equal. This
-   * is, again, the same as array_diff_assoc() the only reason Drupal provides
-   * this function is since PHP 5.4 this casting of arrays to strings throws a
-   * notice. If you want to use array_diff_assoc() as it was up to PHP 5.3 then
-   * use this function but consider the consequences -- it should be rare to use
-   * this function.
+   * This is just a wrapper around array_diff_assoc(). The only reason Drupal
+   * provides this function is in since PHP 5.4 casting of arrays to strings
+   * throws a notice. If you want to use array_diff_assoc() as it was up to PHP
+   * 5.3, then use this function but consider the consequences -- it should be
+   * rare to use this function.
    *
    * @param array $array1
    *   The array to compare from.
@@ -34,15 +31,7 @@ class DiffArray {
    *   in array2.
    */
   public static function diffAssoc(array $array1, array $array2) {
-    $difference = array();
-
-    foreach ($array1 as $key => $value) {
-      if (!array_key_exists($key, $array2) || ((string) $array2[$key] !== (string) $value)) {
-        $difference[$key] = $value;
-      }
-    }
-
-    return $difference;
+    return @array_diff_assoc($array1, $array2);
   }
 
   /**