diff --git a/src/ContaoCommunityAlliance/DcGeneral/Panel/DefaultSortElement.php b/src/ContaoCommunityAlliance/DcGeneral/Panel/DefaultSortElement.php
index <HASH>..<HASH> 100644
--- a/src/ContaoCommunityAlliance/DcGeneral/Panel/DefaultSortElement.php
+++ b/src/ContaoCommunityAlliance/DcGeneral/Panel/DefaultSortElement.php
@@ -31,14 +31,7 @@ class DefaultSortElement extends AbstractElement implements SortElementInterface
      *
      * @var GroupAndSortingDefinitionInterface
      */
-    protected $selected;
-
-    /**
-     * The sorting properties including the direction.
-     *
-     * @var array
-     */
-    protected $arrSorting = array();
+    private $selected;
 
     /**
      * Retrieve the group and sorting definition.
Drop obsolete property $arrSorting.