Nico Rosberg says the way Mercedes team-mate Lewis Hamilton's drives in future races will now be irrelevant to him as he looks to rectify his form in Bahrain.

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Rosberg was unhappy with Hamilton's driving in China, declaring his race has been compromised after being backed into Ferrari's Sebastian Vettel by his team-mate's slow pace. Mercedes moved quickly to calm the storm after the Shanghai race and Rosberg insists he has moved on.

"We start from scratch again," Rosberg wrote in his Bild column. "Lewis can drive as he wants - it's up to him. It is completely irrelevant to me. Between us, sometimes it's better and sometimes it's less good. But I see no reason to talk to him about it again."

In Mercedes' preview of this weekend's race in Bahrain Rosberg elaborated on what needed to change, with the focus once again on how he could improve.

"China was a frustrating weekend for me and I'm glad we have another race right away to get straight back to work. The team has made a great start to the season and, with this incredible car they have built, I know I just need to find a little bit more in myself to get back to the top step. I've never won in Bahrain but I've taken the last two pole positions here and also set the fastest lap at this circuit on my Formula One debut, so I know I have the pace."