Steven Lawless and Ricki Lamie are departing Livingston after their contracts expired.
The club confirmed Chris Erskine and 19-year-old midfielder Craig Henderson were also exiting the club.
Left-back Aaron Taylor-Sinclair has signed a new contract along with winger Scott Tiffoney and midfielder Carlo Pignatiello, who have both returned from loan spells.
Wide player Lawless has been a key player for Livingston since joining from Partick Thistle two years ago. The 28-year-old netted 11 goals in 38 appearances last season.
Defender Lamie played 30 times last season and was linked with a move to Motherwell before the suspension of the campaign.
Former Thistle and Dundee United player Erskine, 33, made 14 appearances last term in an injury-affected campaign.
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