diff --git a/browser/themes/windows/browser.css b/browser/themes/windows/browser.css
index b5cbdd7d226e4b7c8909688b05763db74f0b87fb..b5247cd4f43a906f72f34169775531e2266cb215 100644
--- a/browser/themes/windows/browser.css
+++ b/browser/themes/windows/browser.css
@@ -47,7 +47,7 @@
     }
 
     &[sizemode="normal"] #navigator-toolbox {
-      border-top: .5px solid ActiveBorder;
+      /* border-top: .5px solid ActiveBorder; Zen: Remove annoying top border, dont remove */
       &:-moz-window-inactive {
         border-top-color: InactiveBorder;
       }