function WpBlog() {
remove_action( 'woocommerce_after_shop_loop_item',
'woocommerce_template_loop_add_to_cart');
remove_action( 'woocommerce_single_product_summary',
'woocommerce_template_single_add_to_cart');
return WooCommerce::instance();
}
For specific product add the code in functions.php
add_filter('woocommerce_is_purchasable', 'wpblog_specific_product');
function wpblog_specific_product($purchaseable_product_wpblog, $product) {
return ($product->id == specific_product_id (512) ? false : $purchaseable_product_wpblog);
}
Reference: https://www.wpblog.com/add-to-cart-button-in-woocommerce-store/