diff -up gdm-2.21.2/gui/simple-greeter/gdm-greeter-login-window.c.hide-guest gdm-2.21.2/gui/simple-greeter/gdm-greeter-login-window.c
--- gdm-2.21.2/gui/simple-greeter/gdm-greeter-login-window.c.hide-guest	2008-01-07 14:28:13.000000000 -0500
+++ gdm-2.21.2/gui/simple-greeter/gdm-greeter-login-window.c	2008-01-07 14:28:26.000000000 -0500
@@ -806,7 +806,7 @@ load_theme (GdmGreeterLoginWindow *login
 
         /* FIXME: set from gconf */
         gdm_user_chooser_widget_set_show_other_user (GDM_USER_CHOOSER_WIDGET (login_window->priv->user_chooser), TRUE);
-        gdm_user_chooser_widget_set_show_guest_user (GDM_USER_CHOOSER_WIDGET (login_window->priv->user_chooser), TRUE);
+        gdm_user_chooser_widget_set_show_guest_user (GDM_USER_CHOOSER_WIDGET (login_window->priv->user_chooser), FALSE);
 
         g_signal_connect (login_window->priv->user_chooser,
                           "activated",