Doncaster have released Liam Green, Adam Brown, Rob Pacey, Jan Budtz and Sean Thornton.
Midfielders Green, Brown, Thornton will all have to look for new clubs for the start of the season.
Defender Pacey and goalkeeper Butz have also been told that they are no longer required by boss Sean O'Driscoll.
Rovers have offered deals to striker Mark McCammon and midfielder Craig Nelthorpe, and a first-year offer to youth player of the season Matty Noble.
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