diff --git a/chrome/chromeFiles/skin/default/scholar/overlay.css b/chrome/chromeFiles/skin/default/scholar/overlay.css
index a19de2eab..815ce23fb 100644
--- a/chrome/chromeFiles/skin/default/scholar/overlay.css
+++ b/chrome/chromeFiles/skin/default/scholar/overlay.css
@@ -26,6 +26,7 @@
 #scholar-pane splitter
 {
 	background: #f5f5f5;
+	border:0;
 }
 
 #items-tree treechildren::-moz-tree-image