Ross County trio Michael Fraser, Alex Cooper and Gary Glen are set to leave the club this summer as free agents.
Ross County boss Derek Adams has handed nine players new deals after they finished fifth in the SPL.
Ross County have continued building a squad for their SPL debut by signing former Hearts striker Gary Glen on a one-year contract.
Hearts have announced the departures of strikers Stephen Elliott and Gary Glen - but insist they want manager Paulo Sergio to stay.
Hearts striker Gary Glen is looking to kick on after injury and earn a regular starting spot in the side.
Hearts knocked 10-man city rivals Hibernian out of the Homecoming Scottish Cup with a 2-0 win at Easter Road.
Hearts midfielder Saulius Mikoliunas believes Gary Glen could fire the Jambos back into Europe.