- unregister_hook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
- unregister_hook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
- unregister_hook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
- unregister_hook('cron', 'addon/dav/dav.php', 'dav_cron');
+ Addon::unregisterHook('event_created', 'addon/dav/dav.php', 'dav_event_created_hook');
+ Addon::unregisterHook('event_updated', 'addon/dav/dav.php', 'dav_event_updated_hook');
+ Addon::unregisterHook('profile_tabs', 'addon/dav/dav.php', 'dav_profile_tabs_hook');
+ Addon::unregisterHook('cron', 'addon/dav/dav.php', 'dav_cron');