Akila Dananjaya failed to find a place as did Niroshan Dickwella. There were recalls for Milinda Siriwardana and Jeevan Mendis
JP Duminy and Co clinch series with comfortable victory in third and final T20I.
South Africa beat Sri Lanka in a Super Over to decide a frantic and often farcical first T20I at Newlands on Wednesday.
Proteas complete 5-0 clean sweep after floodlight failure cuts 5th ODI short.
Sri Lanka have recalled Lakmal for the three-match T20I series, while Shanaka has been left out of the 16-man squad.
Anrich Nortje and Quinton de Kock shine as Proteas thrash visitors by six wickets in 4th ODI as go 4-0 up.