Celtic notched up their fifth February win in a row by beating Aberdeen 1-0 at Celtic Park. David Turnbull grabbed the only goal after 14 minutes as the Dons failed to score for the sixth successive match.
In the other Scottish Premiership game, St Mirren moved back into the top six after a 1-1 draw with Hamilton Accies at the SMISA Stadium. Ilkay Durmus gave Saints the lead early in the second half but Bruce Anderson earned Accies an important point.
In the Scottish Championship, Inverness Caledonian Thistle's first home fixture of 2021 ended in a 1-0 defeat to Queen of the South. Nortei Nortey scored the only goal after 63 minutes as QOS climbed to sixth in the table.