Code-Snippets-Functions/Execute a function on a child site/WooCommerce/disable-default-shipping-option-on-cart-refresh.txt

add_filter( 'woocommerce_shipping_chosen_method', '__return_false', 99);

add_filter( 'woocommerce_shipping_method_chosen', 'cart_no_shipping_method_chosen', 99);
function cart_no_shipping_method_chosen( $chosen_method ) {
    return is_cart() ? false : $chosen_method;
}