Index: userone.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/userone/userone.module,v
retrieving revision 1.5
diff -u -r1.5 userone.module
--- userone.module	9 Jul 2010 18:33:43 -0000	1.5
+++ userone.module	17 Dec 2010 18:15:26 -0000
@@ -110,6 +110,15 @@
       }
     }
   }
+	// hide user 1 in the user listing at admin/user/user
+  global $user;
+	if($form_id == "user_admin_account") {
+    $keys = array('name', 'status', 'roles', 'member_for', 'last_access', 'operations');
+    foreach($keys as $key) {
+      unset($form[$key][1]);
+    }
+    unset($form['accounts']['#options'][1]);
+  }
 }
 
 /**