Hide the coupon field on the checkout page in WooCommerce on child sites.
Snippet Type
Execute on Child Sites
Snippet
function disable_coupon_field_on_checkout( $enabled ) {
if ( is_checkout() ) {
$enabled = false;
}
return $enabled;
}
add_filter( 'woocommerce_coupons_enabled', 'disable_coupon_field_on_checkout' );