- unregister_hook('page_content_top', 'addon/pageheader/pageheader.php', 'pageheader_fetch');
- unregister_hook('plugin_settings', 'addon/pageheader/pageheader.php', 'pageheader_addon_settings');
- unregister_hook('plugin_settings_post', 'addon/pageheader/pageheader.php', 'pageheader_addon_settings_post');
+ Addon::unregisterHook('page_content_top', 'addon/pageheader/pageheader.php', 'pageheader_fetch');
+ Addon::unregisterHook('addon_settings', 'addon/pageheader/pageheader.php', 'pageheader_addon_settings');
+ Addon::unregisterHook('addon_settings_post', 'addon/pageheader/pageheader.php', 'pageheader_addon_settings_post');