 It would only prove to be a consolation, however, as AFC Wimbledon went on to be defeated 3–1.Having broken into the first team under manager Terry Brown at the start of the 2012 season, Kiernan left the club by mutual consent on 8 April 2013 under new manager Neal Ardley.Following his departure from AFC Wimbledon, Kiernan joined his local club Conference South side Bromley in July 2013.