removing tag and cat buttons

I’ve been using this code snippet:

//Remove meta-tag buttons
add_filter('tc_category_list', 'rdc_category_list');
function rdc_category_list($output) {
return preg_replace('"btn btn-mini"', '""', $output);
}

add_filter('tc_tag_list', 'rdc_tag_list');
function rdc_tag_list($output) {
return preg_replace('"btn btn-mini btn-tag"', '""', $output);
}

(from http://presscustomizr.com/snippet/remove-categories-and-tags-buttons-in-the-post-metas-block/)

to take out the button designs from categories and tags in the post meta. However, it doesn’t seem to be working any more in the new version. How can I get the same effect in the new version of Customizr?