He left the band, due to his role in drumming for The Fishermen, but was thanked in the booklet of the "Generator" album, which would be their the band's release with his replacement Bobby Schayer.
He left the band due to his role in drumming for The Fishermen. It seems to have been an amicable departure, as he was thanked the booklet of the "Generator" album, which would be Bad Religion's first with new drummer Bobby Schayer.