tozbey

add_filter( 'woocommerce_checkout_fields' , 'custom_remove_woo_checkout_fields');
add_filter('woocommerce_enable_order_notes_field', '__return_false');

function custom_remove_woo_checkout_fields( $fields ) {

    // remove billing fields
    unset($fields['billing']['billing_first_name']);
    unset($fields['billing']['billing_last_name']);
    unset($fields['billing']['billing_company']);
    unset($fields['billing']['billing_address_1']);