With doubts over how much, if any, cricket Somerset will play this season, Vernon Philander's contract has been cancelled.
Vernon Philander's international career ended in disappointment against England, which was a source of frustration for Faf du Plessis.
Vernon Philander's Test career is heading towards an unsatisfactory conclusion, the Proteas star fined on Sunday and struggling with injury.
England are in a strong position following Dom Bess' first Test five-for, but Quinton de Kock and rain held the tourists up.
The use of stump mics has been questioned by Jos Buttler, who apologised for his expletive-laden outburst at Vernon Philander.
England wicketkeeper-batsman Jos Buttler has been punished for the verbal volleys he threw at Vernon Philander.
Ollie Pope made an unbeaten half-century for the tourists, but South Africa took nine England wickets on day one in Cape Town.
The T20 World Cup marks a "crossroad" in the career of Faf du Plessis, who will be 36 by the time of the tournament.
After South Africa followed up a tumultuous period with a first-Test win over England, Faf du Plessis said: "We needed that."
Vernon Philander looks set to end his career with Somerset, subject to approval.