South Africa all-rounder Justin Kemp has been ruled out of the second test against Australia after failing a fitness test on Christmas Day.

Kemp, who has been struggling with a shoulder injury for the past few days, was forced to withdraw after missing Sunday's training session.

South Africa manager Mickey Arthur said Kemp would be replaced by Jacques Kallis [Images], who was cleared to resume playing after missing the drawn first Test with a shoulder injury.

The second Test starts at the Melbourne Cricket Ground on Monday.

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"I guess it made our selection poser a little bit easier for us but unfortunately he (Kemp) is not available for selection," Arthur told reporters on Sunday.

Arthur said the Proteas would wait until they inspected the pitch on Monday before finalising their lineup but were considering adding a spinner after playing four pacemen in the series opener in Perth.

"It (the pitch) looks a little bit browner than it did yesterday. I think it has dried out quite nicely," he said.