Is it possible to fix the door roller detents on a ZJ?

Both front doors have messed up roller detents on the Varmint-Mobile. I can just see a Varmint swinging a door into the Mercedes next to them in a parking lot.


I don't see any graceful way to repair these things. Everything appears to be either welded or staked into place. Has anyone come up with a repair method?


Here is the situation on the Driver's door: