St Mirren vs Rangers will go ahead as planned after the Ibrox club withdrew their request to re-schedule.
Under new rules, Scottish Premiership clubs can request the league fixture sandwiched between both legs of European play-off ties can be postponed to help with preparations.
Aberdeen and Hibs have both taken the SPFL up on their option to push back games against Dundee Utd and Falkirk respectively, although Celtic have chosen not to ahead of their Champions League playoff round encounter.
Rangers have all but joined them after a 3-0 first leg victory over Viktoria Plzen in the third qualifying round, and had asked for their trip to Paisley to be rescheduled ahead of their playoff clash against either Club Brugge or RB Salzburg.
However, boss Russell Martin has sinc