Trevor Bayliss has announced he will leave his position as England head coach when his contract expires after the 2019 Ashes series.
The Australian was appointed to the role in 2015 and in his first summer in charge oversaw a home Ashes triumph.
Whether you're going well or not I've always felt that round about that four-year mark is time to change.Trevor Bayliss
The following year saw England defeat South Africa in an away Test series, while they also reached the final of the World Twenty20, continuing to make steady progress in the one-day format along the way.
However, recent results have failed to match Bayliss' strong start to life at the helm, most recently overseeing the 4-0 Ashes series lose to Australia Down Under.
England's poor showing against the Baggy Greens saw them stretch their winless record away from home to 11 matches, while in 38 Tests in total under Bayliss, the Three Lions have only won 18.
The 55-year-old insists the recent drubbing by Australia had nothing to do with his decision to not renew his contract, claiming he told director of director Andrew Strauss of his decision last year.
"I told Andrew Strauss (director of England cricket) probably 12 months ago that September 2019 is when I'm contracted to and that would see me out," he said.
"I've never been anywhere any more than four or five years. Whether you're going well or not I've always felt that round about that four-year mark is time to change. A new voice, a slightly different approach slightly reinvigorates things, so I passed that on to him 12 months ago.
England's next challenge on the Test front is a tour of New Zealand later in the year and Bayliss does not expect to see a radical improvement from his players from the recent Ashes defeat.
"It's not going to be an overnight success. If you bring three or four young blokes into the team it will be a slower process as they learn what the international game is about," he added.
Bayliss' decision to stay on until 2019 means he will oversee England's 2019 World Cup campaign, which will be held on home soil.
England are 3.25 to win the competition and will test their mettle against Australia in a one-day series, which they are 1.20 to win, over the coming weeks as part of their tour Down Under.
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