SAO PAULO, BRAZIL - NOVEMBER 02: New Formula One World Champion Lewis Hamilton of Great Britain and McLaren Mercedes (R) celebrates with his father Anthony Hamilton (L) and his half-brother Nick Hamilton (C) following the Brazilian Formula One Grand Prix at the Interlagos Circuit on November 2, 2008 in Sao Paulo, Brazil. (Photo by Paul Gilham/Getty Images)
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SAO PAULO, BRAZIL - NOVEMBER 02: New Formula One World Champion Lewis Hamilton of Great Britain and McLaren Mercedes (R) celebrates with his father Anthony Hamilton (L) and his half-brother Nick Hamilton (C) following the Brazilian Formula One Grand Prix at the Interlagos Circuit on November 2, 2008 in Sao Paulo, Brazil. (Photo by Paul Gilham/Getty Images)
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ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 20: Max Verstappen of the Netherlands driving the (1) Oracle Red Bull Racing RB18 and Sergio Perez of Mexico driving the (11) Oracle Red Bull Racing RB18 lead the field into turn one at the start during the F1 Grand Prix of Abu Dhabi at Yas Marina Circuit on November 20, 2022 in Abu Dhabi, United Arab Emirates.
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MONTREAL, QUEBEC - JUNE 19: George Russell of Great Britain and Mercedes waves to the crowd on the drivers parade ahead of the F1 Grand Prix of Canada at Circuit Gilles Villeneuve on June 19, 2022 in Montreal, Quebec. (Photo by Clive Rose/Getty Images)
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DOHA, QATAR - NOVEMBER 20: Red Bull Racing Team Principal Christian Horner looks on in the garage during final practice ahead of the F1 Grand Prix of Qatar at Losail International Circuit on November 20, 2021 in Doha, Qatar. (Photo by Mark Thompson/Getty Images)
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CNN  — 

On the brink of securing his seventh Formula One world title, Lewis Hamilton says there are “no guarantees” that he will continue racing after the 2020 season.

The 35-year-old’s contract expires at the end of season, and although he has previously said that he’d like to sign an extension, Hamilton is not ruling out the possibility of quitting racing as a whole.

Mercedes team principal, Toto Wolff, announced that he plans to step down from his current role after this season, while he will remain with the team.

And when asked if Wolff’s decision would affect his future, Hamilton said he has considered stepping away.

“I don’t know if I’m going to be here next year, so it’s not really a concern for me at the moment,” he said after winning Sunday’s Emilia Romagna Grand Prix.