Former Coventry City defender Greg Abbott has released former Coventry City defender Stephen O'Halloran.
The former Aston Villa defender was on a one year deal with Carlisle United but only made five appearances.
O'Halloran has been released with Craig Curran and Greg Abbott said to his club's website: "Both lads have worked hard and they've been a pleasure to have around.
"They've both been unlucky with appearances this season because of the way the team has performed and they leave here with our very best wishes."