Reports emerged last Tuesday suggesting the manager would leave the club at the end of the season after a disagreement over transfer policy and coaching staff.
There have also been claims that Warburton took an interest in the Norwich job after Neil Adams was sacked by the Canaries.
However, the Irishman insisted the squad were not even mentioning the situation when they were at training.
He said: “ Nobody has really talked about it. It's out of our hands and nothing to do with us.
“We come in and train and everyone has a smile on your face. You get the odd text saying this is going on but you don't pay attention to it.
“It's the club's decision as to when they want to do it. Us as playing staff have to win the games and the rest is out of our control.
“Every player backs the manager 100 per cent. He's done an incredible job taking us up from League One and we're doing very well in the Championship. The stats speak for themselves.
“He treats everyone the same. He's a humble bloke and comes from a different background to most managers. He shows us the way and we continue to do what we do.”
McCormack, who has been out since November after an ankle injury, was an unused substitute in Brentford's 3-0 loss at Charlton.
While he was pleased to be back in the squad, he was frustrated by what he saw on the pitch.
McCormack added: “It's been a long time coming. It was disappointing to not get on the pitch but the important thing is the result. We'll regroup and go again and get ourselves ready for Saturday.”