Index: src/wp-admin/css/themes.css
===================================================================
--- src/wp-admin/css/themes.css	(revision 31311)
+++ src/wp-admin/css/themes.css	(working copy)
@@ -153,7 +153,6 @@
 	left: 0;
 	top: 0;
 	width: 100%;
-	-webkit-transform: translateZ( 0 ); /* Prevents rendering bugs in Chrome */
 	-webkit-transition: opacity 0.2s ease-in-out; /* Prevents rendering bugs in Chrome */
 	transition: opacity 0.2s ease-in-out;
 }