NICKY Law and Tony McMahon are leaving City after the club announced their retained list.
Back-up goalkeepers Rouven Sattelmaier and Lukas Raeder as well as youngsters Reece Webb-Foster and Alex Laird are also being released.
Colin Doyle and Timothee Dieng have been offered new deals along with Jordan Gibson, Ellis Hudson and Curtis Peters.
Academy prospect Reece Powell has been offered a professional contract.
McMahon was the only remaining player from the Phil Parkinson era. After signing initially on loan from Blackpool in March 2015, he made 128 appearances and scored 14 goals.
Law was Stuart McCall's first signing, returning for a third spell at the club. He played 90 times after joining in 2016 and scored five goals.
