diff --git a/src/Model/Draft/CategoryDraft.php b/src/Model/Draft/CategoryDraft.php
index <HASH>..<HASH> 100644
--- a/src/Model/Draft/CategoryDraft.php
+++ b/src/Model/Draft/CategoryDraft.php
@@ -11,7 +11,6 @@ use Sphere\Core\Model\OfTrait;
 use Sphere\Core\Model\Type\CategoryReference;
 use Sphere\Core\Model\Type\JsonObject;
 use Sphere\Core\Model\Type\LocalizedString;
-use Sphere\Core\Model\Type\Reference;
 
 /**
  * Class CategoryDraft
diff --git a/src/Request/AbstractQueryRequest.php b/src/Request/AbstractQueryRequest.php
index <HASH>..<HASH> 100644
--- a/src/Request/AbstractQueryRequest.php
+++ b/src/Request/AbstractQueryRequest.php
@@ -22,10 +22,11 @@ abstract class AbstractQueryRequest extends AbstractApiRequest
     use SortTrait;
 
     /**
-     * @param $where
-     * @param $sort
-     * @param $limit
-     * @param $offset
+     * @param \Sphere\Core\Http\JsonEndpoint $endpoint
+     * @param null $where
+     * @param null $sort
+     * @param null $limit
+     * @param null $offset
      */
     public function __construct($endpoint, $where = null, $sort = null, $limit = null, $offset = null)
     {
removed unused statement, update doc block for abstract query request