Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 21091)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -2045,7 +2045,6 @@
 		width: 50.5%;
 	}
 
-	#dashboard-widgets.metabox-holder .postbox-container .empty-container,
 	#dashboard-widgets #postbox-container-3 .empty-container,
 	#dashboard-widgets #postbox-container-4 .empty-container {
 		border: 0 none;