remove VC code from WordPress posts

/** add this to your function.php child theme to remove ugly short code on excerpt */
/** add by Paolo Rudelli aka Paul Corneille 09-06-2014 */
if(!function_exists('remove_vc_from_excerpt'))  {
    function remove_vc_from_excerpt( $excerpt ) {
        $patterns = "/\[[\/]?vc_[^\]]*\]/";
        $replacements = "";
        return preg_replace($patterns, $replacements, $excerpt);
    }
}
/** * Original elision function mod by Paolo Rudelli */
if(!function_exists('qode_excerpt')) {
/** Function that cuts post excerpt to the number of word based on previosly set global * variable $word_count, which is defined in qode_set_blog_word_count function */
function qode_excerpt() {
global $qode_options_elision, $word_count, $post;
$word_count = isset($word_count) && $word_count != "" ? $word_count : $qode_options_elision['number_of_chars'];
$post_excerpt = $post->post_excerpt != "" ? $post->post_excerpt : strip_tags($post->post_content);
$clean_excerpt = strpos($post_excerpt, '...') ? strstr($post_excerpt, '...', true) : $post_excerpt;
/** add by PR */
$clean_excerpt = strip_shortcodes(remove_vc_from_excerpt($clean_excerpt));
/** end PR mod */
$excerpt_word_array = explode (' ',$clean_excerpt);
$excerpt_word_array = array_slice ($excerpt_word_array, 0, $word_count);
$excerpt = implode (' ', $excerpt_word_array).'...'; echo ''.$excerpt.'';
}
}