diff --git a/source/website/sidebar.js b/source/website/sidebar.js
index cbc4814..34d2019 100644
--- a/source/website/sidebar.js
+++ b/source/website/sidebar.js
@@ -18,11 +18,6 @@ export class Sidebar
         this.panelSet.ShowPanel (this.detailsPanel);
     }
 
-    IsPanelsle ()
-    {
-        return this.panelSet.IsPanelsVisible ();
-    }
-
     IsPanelsVisible ()
     {
         return this.panelSet.IsPanelsVisible ();