- unregister_hook('plugin_settings', 'addon/widgets/widgets.php', 'widgets_settings');
- unregister_hook('plugin_settings_post', 'addon/widgets/widgets.php', 'widgets_settings_post');
+ Addon::unregisterHook('addon_settings', 'addon/widgets/widgets.php', 'widgets_settings');
+ Addon::unregisterHook('addon_settings_post', 'addon/widgets/widgets.php', 'widgets_settings_post');