Clarke seeks ruthless streak

Michael Clarke wants Australia to continue their ruthless streak into next year's Ashes Test series following a thumping innings and 201-run victory over Sri Lanka.

The captain admitted his side had lost some of their edge, which he felt went missing in the recent 1-0 series loss to South Africa.

However, Clarke now feels it's back with a vengeance after such a comprehensive victory at the MCG and will prove great preparation for a big year ahead as they prepare to take on England.

"I was really impressed with the way we kept Sri Lanka out of the match throughout the whole Test. That's something we will need to make a habit of going forward with some very important series coming up against firstly India and then the Ashes in England," he said.

"I don't think you develop (ruthlessness) overnight, I think like I say we've learnt from what happened against South Africa.

"Our aim is to repeat our effort here in Sydney and win the series 3-0. We've still got a lot of improvement to do as a team but it's a really positive step for this team to see that we are improving."