Remove Variable Pricing fields if a discount code is used

my_pmprovp_remove_fields_discount_code_applied.php

<?php
/**
 * Remove the Variable Pricing fields if a discount code is applied at checkout.
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmprovp_remove_fields_discount_code_applied( $discount_code, $discount_code_id, $level_id, $code_level ) {
	if ( ! empty( $code_level ) ) {
		echo 'jQuery( "#pmprovp_fields" ).remove();';
	}
}
add_action( 'pmpro_applydiscountcode_return_js', 'my_pmprovp_remove_fields_discount_code_applied', 10, 4 );

/**
 * Remove the Variable Pricing fields and show the discounted level cost if a discount code is passed in via URL.
 */
function my_pmprovp_remove_fields_discount_code_applied_via_url( $pmpro_level ) {
	if ( isset( $pmpro_level->code_id ) ) {
		remove_action( 'pmpro_checkout_boxes', 'pmprovp_pmpro_checkout_after_level_cost', 5 );
		remove_filter( 'pmpro_level_cost_text', 'pmprovp_pmpro_level_cost_text', 10 );
	}
}
add_action( 'pmpro_checkout_preheader_after_get_level_at_checkout', 'my_pmprovp_remove_fields_discount_code_applied_via_url' );