Wouldn’t be surprised if this was a proactive move on his part or a “let’s agree to go out separate ways” deal.
Who is the DC for the Gator Bowl?
This might be a mutual/4D chess move. According to this, he is just going to be the safeties coach.
https://footballscoop.com/news/acc-duke-blue-devils-wake-forest-mike-elko-lyle-hemphill
So rather than Hemphill getting fired or demoted by Wake, he gets to take the safeties position coach job at Duke which he has been objectively good at coaching. Our safety play has been very good while he has been here even though the defense as a whole has struggled.
Manny Diaz is the Penn State DC now.