However, speaking to Radio Sheffield, Knill has told that the pair have spoken and now the slate has been wiped clean.
"I think we both know, myself and Michael we've had conversations over the short time that he's been here and I've worked with him that it's just not on."
"I think he will learn from it, we all forget how young he is and he has to learn, to be fair he has tried his best to curb that red mist." Knill added.
Keane is expected to be on the bench for tonights game against former boss Ronnie Moore's Tranmere Rovers side.