Andrew Johns will not face disciplinary action from employer the Nine Network over the racial slur which prompted Timana Tahu to walk out of the NSW State of Origin camp.

Nine said in a statement it was satisfied with the public apology offered by rugby league great Johns, who works as a sideline reporter for NRL matches and also on the Footy Show.

"His comments were unacceptable, fullstop," the network said.

"Andrew knows that, and is plainly remorseful about the incident."

Johns quit his role as NSW team assistant coach on Saturday night after Tahu departed on Friday, offended by a remark Johns had made in reference to Queensland star Greg Inglis.

Nine has reported that Johns told NSW centre Beau Scott he needed to stop "that black c***".

Johns admitted making a racial slur.

"I made a disparaging comment about a member of the other team and in the process of that I referred to the colour of his skin," Johns said in a statement issued by the NSW camp.

"I should have thought more what I was saying about a player whom I have always admired and respected and I hope to speak with Greg (Inglis) soon to explain what happened.

"I only hope that by stepping aside I can show others how seriously I am taking this issue and hopefully others may learn from it as well."

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