diff --git a/src/Normalizer/CommentItemNormalizer.php b/src/Normalizer/CommentItemNormalizer.php
index ba038e9..632b1de 100644
--- a/src/Normalizer/CommentItemNormalizer.php
+++ b/src/Normalizer/CommentItemNormalizer.php
@@ -2,10 +2,9 @@
 
 namespace Drupal\replication\Normalizer;
 
-use Drupal\serialization\Normalizer\NormalizerBase;
-use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+use \Drupal\serialization\Normalizer\FieldItemNormalizer;
 
-class CommentItemNormalizer extends NormalizerBase implements DenormalizerInterface {
+class CommentItemNormalizer extends FieldItemNormalizer  {
 
   /**
    * The interface or class that this Normalizer supports.
@@ -38,11 +37,4 @@ class CommentItemNormalizer extends NormalizerBase implements DenormalizerInterf
     return $field_info;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function denormalize($data, $class, $format = NULL, array $context = []) {
-    return $data;
-  }
-
 }