Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 19396)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -1637,6 +1637,14 @@
 	display: block;
 }
 
+.folded #adminmenu div.wp-submenu-head a {
+	padding: 0;
+}
+
+.folded #adminmenu div.wp-submenu-head a:hover {
+	background-color: transparent !important;
+}
+
 .folded #adminmenu a.menu-top,
 body.no-js #adminmenu .wp-menu-toggle,
 .folded #adminmenu div.wp-menu-toggle {
Index: wp-admin/menu-header.php
===================================================================
--- wp-admin/menu-header.php	(revision 19396)
+++ wp-admin/menu-header.php	(working copy)
@@ -102,7 +102,7 @@
 
 		if ( ! empty( $submenu_items ) ) {
 			echo "\n\t<div class='wp-submenu'><div class='wp-submenu-wrap'>";
-			echo "<div class='wp-submenu-head'>{$item[0]}</div><ul>";
+			echo "<div class='wp-submenu-head'><a href='{$item[2]}'>{$item[0]}</a></div><ul>";
 			$first = true;
 			foreach ( $submenu_items as $sub_key => $sub_item ) {
 				if ( ! current_user_can( $sub_item[1] ) )