Wenger is keen for the build-up not to focus on Cesc's links with Barca.
"I believe it is an exciting tie for football reasons," he told arsenal.com.
"The worry in the modern game is when you go to matches, you do not focus on football any more.
"We have to make sure in our job we focus on what is important and what we love, it is not the stories which the media dictates to people - it should be about what really matters to people and that means football.
"In my job, I have to make sure that is the case."