➤ Here you can find the instructions on how to disable “Add to wishlist” option (for Magento 2.1.x).
1. Log into your Magento store AdminPanel.
2. Go to the Stores > Configuration section. Expand the Advanced tab > Advanced.
3. Find the Magento_Whishlist module (use Ctrl + F to simplify the search process).
4. Disable the module.
5. Press the Save Config button.
6. Clear the cache.
