How to remove product_code from displays

url of the page with the problem] :http://www.creativeknitworks.com
[HikaShop version] :HikaShop Essential: 2.2.0
[Joomla version] :2.5.14
[PHP version] :5.3
[Browser(s) name and version] : Firefox13.0.1

How do I remove product_code from all my displays? I am attaching 2 views that I don't want to see product code on.

Thanks

You can turn off the option "show product code" in the configuration for that.