diff --git a/src/applications/project/controller/PhabricatorProjectBoardViewController.php b/src/applications/project/controller/PhabricatorProjectBoardViewController.php
--- a/src/applications/project/controller/PhabricatorProjectBoardViewController.php
+++ b/src/applications/project/controller/PhabricatorProjectBoardViewController.php
@@ -6,7 +6,6 @@
   const BATCH_EDIT_ALL = 'all';
 
   private $id;
-  private $slug;
   private $queryKey;
   private $sortKey;
   private $showHidden;