Ross County 0-4 Celtic (Roberts, Armstrong, Sinclair, Dembele)

Rangers 1-1 St Johnstone (Garner: Alston)

Kilmarnock 2-0 Hearts (Coulibaly, Smith)

Motherwell 0-3 Inverness (Tremarco, Doumbouya, Polworth)

Dundee 0-2 Partick Thistle (Azeez, Doolan)