Exclude Products Category in Shop Page

*
 * Exclude categories from shop page 
 */

function custom_pre_get_posts_query($q) {

    $tax_query = (array) $q->get('tax_query');

    $tax_query[] = array(
        'taxonomy' => 'product_cat',
        'field' => 'slug',
        'terms' => array('membership','services'), // Don't display products in the clothing category on the shop page.
        'operator' => 'NOT IN'
    );


    $q->set('tax_query', $tax_query);
}

add_action('woocommerce_product_query', 'custom_pre_get_posts_query');