Index: system.css
===================================================================
--- system.css	(revision 5162)
+++ system.css	(working copy)
@@ -168,19 +168,16 @@
 }
 li.expanded {
   list-style-type: circle;
-  list-style-image: url(../../misc/menu-expanded.png);
   padding: 0.2em 0.5em 0 0;
   margin: 0;
 }
 li.collapsed {
   list-style-type: disc;
-  list-style-image: url(../../misc/menu-collapsed.png);
   padding: 0.2em 0.5em 0 0;
   margin: 0;
 }
 li.leaf {
   list-style-type: square;
-  list-style-image: url(../../misc/menu-leaf.png);
   padding: 0.2em 0.5em 0 0;
   margin: 0;
 }
@@ -314,10 +311,8 @@
 }
 html.js fieldset.collapsible legend a {
   padding-left: 15px;
-  background: url(../../misc/menu-expanded.png) 5px 75% no-repeat;
 }
 html.js fieldset.collapsed legend a {
-  background-image: url(../../misc/menu-collapsed.png);
   background-position: 5px 50%;
 }
 /* Note: IE-only fix due to '* html' (breaks Konqueror otherwise). */