The7 remove VC from excerpts

function.php

function remove_vc_from_excerpt( $excerpt ) {
	$patterns = "/\[[\/]?vc_[^\]]*\]/";
	$replacements = "";
	return preg_replace($patterns, $replacements, $excerpt);
}

function custom_content($content) {
	$content = get_the_content( '' );
	$content = remove_vc_from_excerpt( $content );
	$content = strip_shortcodes( $content );
	return $content;
}
add_filter( 'the_content', 'custom_content', 30);