The 28-year-old was missing from the squad that drew 3-3 with Torquay on Saturday and manager John Ward revealed the former Charlton man's future lies elsewhere.
"Joe is not being offered a new deal," he told the club's official website. "But we all wish him every success for the future."
The Bristol-born attacker has made 30 npower League Two appearances this season, scoring four times, and leaves having played 64 times for Rovers.
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