private void UninstallPreferences ()
{
PreferenceService service = ServiceManager.Get<PreferenceService> ();
if (service == null) {
return;
}
service["general"]["misc"].Remove (replaygain_preference);
if (bp_supports_gapless (handle)) {
service["general"]["misc"].Remove (gapless_preference);
}
replaygain_preference = null;
gapless_preference = null;
}