public static function remove_order_tax() {
		check_ajax_referer( 'order-item', 'security' );

		if ( ! current_user_can( 'edit_shop_orders' ) || ! isset( $_POST['order_id'], $_POST['rate_id'] ) ) {
			wp_die( -1 );
		}

		$response = array();

		try {
			$order_id = absint( $_POST['order_id'] );
			$rate_id  = absint( $_POST['rate_id'] );

			$order = wc_get_order( $order_id );
			if ( ! $order->is_editable() ) {
				throw new Exception( __( 'Order not editable', 'woocommerce' ) );
			}

			wc_delete_order_item( $rate_id );

			// Need to load order again after deleting to have latest items before calculating.
			$order = wc_get_order( $order_id );
			$order->calculate_totals( false );

			ob_start();
			include 'admin/meta-boxes/views/html-order-items.php';
			$response['html'] = ob_get_clean();
		} catch ( Exception $e ) {
			wp_send_json_error( array( 'error' => $e->getMessage() ) );
		}

		// wp_send_json_success must be outside the try block not to break phpunit tests.
		wp_send_json_success( $response );
	}