Or a more important question, why do you delete it when you know it will show up again? Repeating the same action over and over again while expecting a different result pretty much defines mental illness.
Just kidding. Folks have complained about this before, and like everything that's broken in V2, it won't get fixed because all the resources are going to the new version of the site.
I get this trophy every morning. I delete it. It gets sent again the following day. WHY?