Woocommerce - Remove the tab titles on Single Product Template

functions.php

<?php
// REMOVE TAB TITLES ON SINGLE PRODUCT TEMPLATE
// Remove Description Title from Single Product Page Tabs
add_filter('woocommerce_product_description_heading', '__return_null');
// Remove Additional Information Title from Single Product Page Tabs
add_filter('woocommerce_product_additional_information_heading', '__return_null');
// Remove Reviews Title from Single Product Page Tabs
add_filter('woocommerce_reviews_title', '__return_null');