Aberdeen's season ended on a low note as they lost 4-0 at home to Ross County, while Hearts drew 2-2 with St Johnstone at Tynecastle.
Swansea's Stephen Kingsley and Derby's Craig Bryson are among four players called into the Scotland squad.
Aberdeen manager Derek McInnes paid tribute to his side despite the 4-0 defeat to Ross County at Pittodrie.
Motherwell have ensured a fifth-placed finish in the Scottish Premiership with a 3-1 win at Ross County.
Hamilton and Partick preserved their Scottish Premiership status with away wins but Kilmarnock face a play-off.
Aberdeen shrugged off the disappointment of seeing Celtic win at Hearts to beat Motherwell as Kilmarnock claimed a vital victory at Hamilton.
Four players from Aberdeen and three from Dundee have been included in PFA Scotland's Premiership team of the year.
Ross County forward Alex Schalk has penned a new one-year deal with the club following an impressive first season in Scotland.
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