How do I remove a UPC code and related details from my listing?

[lindas_elvis_collection]

I listed item #302635552262 . In order to do so I saw a similar item and used the "list one like this" button to get started. The problem is that now in my finished listing there is a UPC code and a bunch of other details that must populate with that UPC code. I did not add this code or those details, but I can't find any place where I can remove them. My item is similar but not exactly the same so does anyone know how I can remove this info? Thanks