The pair are going head-to-head in the scoring stakes this season.
"I'm not worried at all," smiled Benzema. "I'm very, very calm. Quietly working.
"Higuain scores three goals which I think is great for the team. The essential thing for me is that I feel very good in my mind and my body when I'm on the pitch. I'm able to prove myself.
"I'm not interested in this debate. I have not read or heard anything about it."