WooCommerce is one of the popular eCommerce platform which comes with many built-in features including breadcrumbs. But some themes doesn’t support them. So, you may want to remove this feature.
To remove the breadcrumbs feature, insert the following WordPress code snippet in your functions.php file.
//Remove WooCommerce breadcrumbs remove_action('woocommerce_before_main_content', 'woocommerce_breadcrumb', 20, 0);