Index: wp-includes/css/admin-bar.dev.css
===================================================================
--- wp-includes/css/admin-bar.dev.css	(revision 19127)
+++ wp-includes/css/admin-bar.dev.css	(working copy)
@@ -334,13 +334,12 @@
 	padding: 0;
 }
 
-#wpadminbar #wp-admin-bar-search {
+#wpadminbar ul li:last-child, #wpadminbar ul li:last-child a {
 	border-right: 0;
 }
 
 #wpadminbar #wp-admin-bar-search a {
 	padding: 0;
-	border-right: 0;
 }
 
 #wpadminbar .quicklinks .admin-bar-search:hover {