diff --git a/src/Plugin/migrate_plus/data_parser/Json.php b/src/Plugin/migrate_plus/data_parser/Json.php
index 07f8b5c35b837eaea9d94223f6972dc6534821e5..c1220bc5f4e60d9836fbdaac4cabce4947e70d4f 100755
--- a/src/Plugin/migrate_plus/data_parser/Json.php
+++ b/src/Plugin/migrate_plus/data_parser/Json.php
@@ -15,13 +15,6 @@ use Drupal\migrate_plus\DataParserPluginBase;
  */
 class Json extends DataParserPluginBase implements ContainerFactoryPluginInterface {
 
-  /**
-   * The request headers passed to the data fetcher.
-   *
-   * @var array
-   */
-  protected $headers = [];
-
   /**
    * Iterator over the JSON data.
    *