diff --git a/src/zen/little-window/zen-little-window.css b/src/zen/little-window/zen-little-window.css
index c2c1af026..6c2d5c9fa 100644
--- a/src/zen/little-window/zen-little-window.css
+++ b/src/zen/little-window/zen-little-window.css
@@ -48,5 +48,9 @@
         -moz-window-dragging: no-drag;
       }
     }
+
+    #zen-sidebar-top-buttons {
+      visibility: collapse;
+    }
   }
 }