"I'm not bothered about Sheffield United," he said. "I expect what I can expect from them.
"There are things that go on in football you cannot control but you can control yourself and we will be extremely professional, focused and only concerned about putting the ball in the back of their net. It's a second leg and we know what we must do to qualify.
"There was a lack of respect that night but we will put that to one side. Nothing is going to distract us from our target.
"I am never motivated for the opposition, only for us. The best motivation you can have is the willingness to do things right for yourself. If we perform we will get our reward and that is the final."