cp-prevent-subtotals-mods.php

<?php
/**
 * Plugin Name: WooCommerce Composite Products - Prevent Cart/Order Item Subtotal Modifications
 * Plugin URI: https://woocommerce.com/products/composite-products/
 * Description: Prevents Composite Products from modifying the appearance of cart/order item subtotals. Requires v3.7+.
 * Version: 1.1
 * Author: WooCommerce
 * Author URI: https://woocommerce.com/
 * Developer: Manos Psychogyiopoulos
 *
 * Requires at least: 4.1
 * Tested up to: 5.3
 *
 * Copyright: © 2021 Automattic.
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */
 
add_filter( 'woocommerce_add_composited_cart_item_prices', 'wc_cp_add_composited_cart_item_prices', 10, 3 );
add_filter( 'woocommerce_add_composited_cart_item_subtotals', 'wc_cp_add_composited_cart_item_subtotals', 10, 3 );
add_filter( 'woocommerce_add_composited_order_item_subtotals', 'wc_cp_add_composited_order_item_subtotals', 10, 3 );

function wc_cp_add_composited_cart_item_prices( $add, $container_item, $container_item_key ) {
	return false;
}

function wc_cp_add_composited_cart_item_subtotals( $add, $container_item, $container_item_key ) {
	return false;
}

function wc_cp_add_composited_order_item_subtotals( $add, $container_item, $order ) {
	return false;
}