Lewis Hamilton will no longer be managed by his father, it has been announced.
The decision follows what Lewis Hamilton describes as his "growing maturity" and his father's growing business interests.
"I'm 25 now - and I think it was inevitable that there had to be change at some point," Hamilton said in an Autosport interview.
"I've been in F1 for quite a while now and I wouldn't have been able to do it without my dad. He's done a fantastic job. But he's done that job.
"What I am really excited about now is having my dad just as my dad. I want to have a manager, who can take care of all the stresses and do all the other stuff, and then I want to do dad things with my dad. I want to go for a beer with my dad. I want to go bowling with my dad. I want to go on holiday with my dad.
"And then I want to be able to say to him: 'How is GP Prep going?' And I want to be able to tell him about all the experiences I am having too - but as a dad. I want to be able to have that, and build that relationship."
Anthony Hamilton's business interests now include the new GP Prep academy, which runs one-year old F1 cars in test sessions for up-and-coming drivers, managing several other racing drivers, including Paul di Resta and karting star Nyck de Vries, and work in football.
Lewis Hamilton is now looking for a manager. In the meantime his interests will be looked after by the McLaren F1 team, which he has a three-year contract with.