diff --git a/library/Icinga/Web/Dashboard/Common/DashboardManager.php b/library/Icinga/Web/Dashboard/Common/DashboardManager.php
index 674a5162428..b8584d845dc 100644
--- a/library/Icinga/Web/Dashboard/Common/DashboardManager.php
+++ b/library/Icinga/Web/Dashboard/Common/DashboardManager.php
@@ -10,7 +10,6 @@
 use Icinga\Model;
 use Icinga\Web\Dashboard\Dashboard;
 use Icinga\Web\Dashboard\DashboardHome;
-use Icinga\Web\Dashboard\Pane;
 use Icinga\Util\DBUtils;
 use ipl\Stdlib\Filter;
 
@@ -18,13 +17,6 @@ trait DashboardManager
 {
     use DashboardUserManager;
 
-    /**
-     * A list of default panes loaded from monitoring|icingadb module
-     *
-     * @var Pane[]
-     */
-    private static $defaultPanes = [];
-
     /**
      * Load the given or all homes (null)
      *