Goalkeeper Paul Rachubka has left the club after having his contract cancelled.
The 31-year-old, who signed for the club in September 2013, made 39 appearances and kept 13 clean sheets during his time with the club.Rachubka was instrumental in Latics' League One survival last year and has helped guide the club to ninth in the table this season.
The goalkeeper leaves on good terms and said: "I have enjoyed every minute of my time with the football club and I'd like to thank all the fans for their support.
"I will continue to look out for the results and wish the club all the best for the future."