Delete old books in digital edition version 4.5.9.184862 finally

Hello,

I want to delete old books in digital edition version 4.5.9.184862 finally., but the keep showing up.

I delete inactiv books, and the are gone for the the momentarly session. I close DE. But as soon as i download a new book oder just open DE they show up again.

thanks for helping me.

chris