Pakistan red-ball coach Jason Gillespie decided to resign, sources divulged on Thursday.
According to details, Gillespie had refused to travel to South Africa citing personal reasons. Gillespie was not pleased with the removal of assistant coach Tim Nelson.
Pakistan will take on South Africa in the red-ball series from December 26, during which Shan Masood will spearhead the Green Shirts.
On the other side, Pakistan will look to rebound themselves against South Africa in the second T20I on Friday after the visitors got drubbed at the hands of the Proteas.
Watch live coverage