Remove meta boxes from Ultimate Facebook plugin

/**
 * Hide metaboxes
 */
function mmprofs_remove_my_post_metaboxes() {
        $types = get_post_types(array('public'=>true), 'names');
        foreach ($types as $type) {
                if ('attachment' == $type) continue;
                remove_meta_box('wdfb_facebook_publishing', $type, 'advanced');
        remove_meta_box('wdfb_opengraph_editor', $type, 'side');
        }
}
add_action('add_meta_boxes', 'mmprofs_remove_my_post_metaboxes', 20);