function std_embeds_unload() { Zotlabs\Extend\Hook::unregister_by_file('addon/std_embeds/std_embeds.php'); }
function openid_unload() { Zotlabs\Extend\Hook::unregister_by_file('addon/openid/openid.php'); }
function chords_unload() { Zotlabs\Extend\Hook::unregister_by_file('addon/chords/chords.php'); }
function cdav_unload() { Zotlabs\Extend\Hook::unregister_by_file('addon/cdav/cdav.php'); }