Thread:BunsenH/@comment-36960110-20181206224808/@comment-24577221-20181209011832

Okay, I just tried it myself. I'm seeing the same problem. I can change the contents of the Twitter field to something else, but it won't let me change it to nothing at all. This looks like a bug in the Wikia system.

I'm going to report it as a bug. You may wish to as well, here.