Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 19146)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -706,7 +706,7 @@
 .wrap h2,
 .subtitle,
 .login form .input {
-	font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
+	font-family: sans-serif;
 }
 
 .quicktags,
@@ -2159,7 +2159,7 @@
 }
 
 .welcome-panel h3 {
-	font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
+	font-family: sans-serif;
 	font-size: 32px;
 	font-weight: normal;
 	margin: 0 0 0.8em;
@@ -4673,7 +4673,7 @@
 .about-text,
 .about-description,
 .about-wrap li.wp-person a.web {
-	font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
+	font-family: sans-serif;
 	font-weight: normal;
 	line-height: 1.6em;
 	font-size: 18px;