Remove comments in WP slimjetpack carrousel

wp-slimjetpack-comments-carrousel-remover.php

<?php
//remove comments from jetpack carrousel
function filter_media_comment_status( $open, $post_id ) {
// http://aahank.com/2013/disable-comments-jetpack-carousel/
	$post = get_post( $post_id );
	if( $post->post_type == 'attachment' ) {
		return false;
	}
	return $open;
}
add_filter( 'comments_open', 'filter_media_comment_status', 10 , 2 );
?>