Exclude specific from WPFC events category ddm

/**
 * This snippet will exclude or remove events category from WP FullCalendar Events Categories Dropdown
 *
 * Replace 9 or 30 with your Events Category ID you've wanted to remove or exclude from the list
 */
function exclude_category($taxonomy_args, $taxonomy){

 $taxonomy_args['exclude'] = '9,30';

 return $taxonomy_args;
}
add_filter('wpmfc_calendar_taxonomy_args','exclude_category',10,2);