McLaren will remove its famous F-duct from the MP4-25 at next month's Italian grand prix.

It was previously believed that the downforce-stalling innovation, emulated this season by the British team's rivals including Red Bull and Ferrari, would be most beneficial on the long straights of the Monza circuit.

But according to Italy's Autosprint, the F-duct is "irrelevant" at the Autodrome Nazionale, because the cars are already running minimal downforce.

It is therefore believed that removing the system is the more efficient choice.

"Both Spa and Monza should suit our package better than the Hungaroring," said driver Jenson Button.

It is not currently known if other teams will take a similar decision and remove the F-duct for Monza.

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