Formula 1's managing director of motorsport, Ross Brawn believes any uncertainties related to the 2019 aero changes have now been resolved ahead of their likely ratification.

At the beginning of May, the Strategy Group surprised by passing changes to the design of both the front and rear wings as well as alterations to bargeboards and brake ducts all aimed at improving the racing, following several processional races.

The goal is the to simplify these areas and create an aerodynamic effect less harmful to the following car, allowing a driver to stay close and use a more powerful DRS which will be introduced.

“The teams wanted to know what’s going on, and I think everyone has been cooperating,” Brawn told Motorsport.com.

“It needed some refinement, which has been done. I think everyone realises that we don’t want uncertainty.

“As far as I know it’s all been sorted and we should be in good shape.”

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The final go-ahead for the changes will come at a meeting of the World Motor Sport Council next month, but with research into broader overhaul in 2021, the former Mercedes team boss admits next year is just a first step.

“It will be a useful insight into ensuring that we’re going in the right direction,” he said.

“It will contribute in itself, but also will give us better feedback on the concepts that we’re pursuing in order to make the cars more benign.

“The FIA eventually write the regulations and have to police them, so, therefore, that’s their role and responsibility," Brawn admitted

“We’re there to contribute towards the concepts that lead to that.”