GM Don Sweeney confirmed that Liles is not in the Bruins' plans for the coming season, CSN New England reports.
Liles collected two assists during Monday's Game 3 loss to Ottawa.
Liles was a healthy scratch for the eighth consecutive game Wednesday against Calgary.
Liles, who had been out of the lineup for 10 of the Bruins' previous 11 games, saw 16:21 worth of ice time in Sunday's 6-3 win over the Stars, the Boston Globe reports.
Liles was a healthy scratch for Tuesday's 4-3 win over the Lightning.
Liles (concussion) will draw into Sunday's lineup against the Hurricanes, Fluto Shinzawa of the Boston Globe reports.
Liles (concussion) could return to action as soon as Sunday's game against the Hurricanes.
Coach Claude Julien suggested that Liles (concussion) is inching toward a return to action. "I think he feels good enough that we'll probably have to make a decision on him sometime soon," Julien noted Friday.
Liles (concussion) practiced Wednesday.
Liles (concussion) is showing on injured reserve, per the NHL's official media site.