diff -Nur xfce4-panel-4.9.1.orig/panel-preferences.desktop.in xfce4-panel-4.9.1/panel-preferences.desktop.in
--- xfce4-panel-4.9.1.orig/panel-preferences.desktop.in	2012-03-30 13:34:39.000000000 -0600
+++ xfce4-panel-4.9.1/panel-preferences.desktop.in	2012-04-02 10:37:20.295561839 -0600
@@ -3,7 +3,7 @@
 Exec=xfce4-panel --preferences
 Icon=xfce4-panel
 Type=Application
-Categories=XFCE;GTK;Settings;DesktopSettings;X-XFCE-SettingsDialog;X-XFCE-PersonalSettings;
+Categories=GTK;Settings;DesktopSettings;X-XFCE-SettingsDialog;X-XFCE-PersonalSettings;
 OnlyShowIn=XFCE;
 Terminal=false
 StartupNotify=true