diff --git a/core/lib/Drupal/Core/TypedData/ItemList.php b/core/lib/Drupal/Core/TypedData/ItemList.php
index d5a3bcc..4230ddc 100644
--- a/core/lib/Drupal/Core/TypedData/ItemList.php
+++ b/core/lib/Drupal/Core/TypedData/ItemList.php
@@ -7,16 +7,13 @@
 
 namespace Drupal\Core\TypedData;
 
-use ArrayIterator;
-use IteratorAggregate;
-
 /**
  * A generic list class.
  *
  * This class can serve as list for any type of items.
  * Note: The class cannot be called "List" as list is a reserved PHP keyword.
  */
-class ItemList extends ContextAwareTypedData implements IteratorAggregate, ListInterface {
+class ItemList extends ContextAwareTypedData implements \IteratorAggregate, ListInterface {
 
   /**
    * Numerically indexed array items.
@@ -166,9 +163,9 @@ public function offsetSet($offset, $value) {
    */
   public function getIterator() {
     if (isset($this->list)) {
-      return new ArrayIterator($this->list);
+      return new \ArrayIterator($this->list);
     }
-    return new ArrayIterator(array());
+    return new \ArrayIterator(array());
   }
 
   /**