Code-Snippets-Functions/Execute a function on a child site/WooCommerce/remove-featured-image-from-product-gallery.txt

add_filter('woocommerce_single_product_image_thumbnail_html', 'remove_featured_image', 10, 2);
function remove_featured_image($html, $attachment_id ) {
    global $post, $product;

    $featured_image = get_post_thumbnail_id( $post->ID );

    if ( $attachment_id == $featured_image )
        $html = '';

    return $html;
}