Remove Guides Posts From Related Posts

guides.php

function jetpackme_filter_exclude_category( $filters ) {
    $filters[] = array( 'not' =>
      array( 'term' => array( 'category.slug' => 'guides' ) )
    );
    return $filters;
}
add_filter( 'jetpack_relatedposts_filter_filters', 'jetpackme_filter_exclude_category' );