Post Type Support Array Not Working August 17, 2022 by Tarik Billa remove_post_type_support() doesn’t support arrays. You have to unregister each feature separately. See: https://codex.wordpress.org/Function_Reference/remove_post_type_support https://core.trac.wordpress.org/browser/tags/4.1.1/src/wp-includes/post.php#L1746