Hamilton Accies brought down the curtain on their Premiership campaign with a 1-0 win over relegated St Mirren at New Douglas Park.
Ali Crawford scored the only goal with just seven minutes remaining as Martin Canning's side ended the season in seventh place.
Ross County leapfrogged Kilmarnock after coming from behind to earn a 2-1 victory at Rugby Park with second-half goals from Liam Boyce and Rocco Quinn after Greg Kiltie had given Gary Locke's men an interval lead.
In Saturday's other bottom-six game, play-off bound Motherwell were involved in a 0-0 draw against Partick Thistle at Fir Park.