Disable Woo thumbs and auto re-generation

disable-woo-thumbs.php

<?php
/*
Plugin Name: Disable Woo Thumbs
Description: Disables all thumbs from WooCommerce and prevents them being regenerated.
Version: 1.0.0
*/

add_action( 'init', 'disable_woo_thumbs_on_init' );
function disable_woo_thumbs_on_init() {
	remove_image_size( 'uncode_woocommerce_nav_thumbnail_regular' );
	remove_image_size( 'uncode_woocommerce_nav_thumbnail_crop' );
	remove_image_size( 'shop_thumbnail' );
	remove_image_size( 'shop_single' );
	remove_image_size( 'shop_catalog' );
	remove_image_size( 'woocommerce_gallery_thumbnail' );
	remove_image_size( 'woocommerce_single' );
	remove_image_size( 'woocommerce_thumbnail' );
	add_filter( 'woocommerce_background_image_regeneration' , '__return_false' );
}