- Addon::unregisterHook('addon_settings', 'addon/securemail/securemail.php', 'securemail_settings');
- Addon::unregisterHook('addon_settings_post', 'addon/securemail/securemail.php', 'securemail_settings_post');
+ Hook::unregister('addon_settings', 'addon/securemail/securemail.php', 'securemail_settings');
+ Hook::unregister('addon_settings_post', 'addon/securemail/securemail.php', 'securemail_settings_post');