Celtic skipper Scott Brown scored twice in a frantic opening spell to secure a 4-1 victory at home to St Mirren.
Celtic manager Ronny Deila insists his side will not take St Mirren lightly at Parkhead on Sunday.
Team news for Sunday's Scottish Premiership fixture between Celtic and St Mirren at Celtic Park, kick-off 1pm.
Tommy Craig has left his position as St Mirren manager after just seven months in charge.
Michael O'Halloran's early goal was enough for St Johnstone as they battled to a 1-0 win at struggling St Mirren.
St Johnstone manager Tommy Wright has offered his support to under-fire St Mirren counterpart Tommy Craig.
Inverness CT dominate St Mirren with a 4-0 win in the Scottish Cup replay to continue their unbeaten run at home.
St Mirren manager Tommy Craig admits his side were "outplayed" by Inverness as the Buddies lost 4-0 in the Scottish Cup.
Live only on
More of the games that matter on Sky Sports
All the gossip from the morning editions
Pick your Premier League club's starting XI
Predict six scores to win the £250,000 jackpot!
Pick your Sky Sports Fantasy Football team