Voeg deze code toe aan functions.php van je thema of Code Snippets.
add_filter( 'woocommerce_product_subcategories_args', 'custom_woocommerce_product_subcategories_args' );
function custom_woocommerce_product_subcategories_args( $args ) {
$args['exclude'] = get_option( 'default_product_cat' );
return $args;
}