Sol Campbell has left his post as Macclesfield manager by mutual consent after just eight months in charge.
Campbell took over at Moss Rose in November last year and guided the Silkmen to safety in Sky Bet League Two.
A club statement said the former England defender's departure had been "conducted in the most amicable of ways and there has been total transparency between the club and Sol regarding the challenges which face lower league clubs such as Macclesfield Town".
In a statement on the club website, Campbell said: "Macclesfield Town provided me with a great beginning in the managerial side of the game, as well as a fantastic learning curve which I am truly grateful for.
"I would like to thank all the players and staff for their support during my time at the Moss Rose and also all the loyal fans, whose belief at the end of last season ultimately played a tangible role in our success."
Campbell's last game in charge was a Carabao Cup tie at Blackpool on Tuesday which Macclesfield won on penalties.
The club are currently eighth in League Two after following an opening-day loss at Exeter with a 3-0 home win over Leyton Orient.
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Former England defender Sol Campbell appointed Macclesfield's new manager.
The English Football League's bottom club have been looking for a new boss since the departure of Mark Yates and 44-year-old Campbell appears to be their man.
The ex-Arsenal and Tottenham man was pictured at the club's Moss Rose ground on Tuesday and shortly after Town tweeted a picture of a bottle of Sol with the caption 'drink anyone?'.
Shortly afterwards, Macclesfield confirmed the appointment of Campbell on an 18-month deal.
The 44-year-old, capped 73 times by his country as a player, has chosen a tough task for his first job in management with Macclesfield already seven points adrift of safety after winning the National League title last season.
Campbell had made no secret of his desire to become a manager and has spoken out on a number of occasions about the barriers for aspiring BAME coaches.
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Former England defender Sol Campbell has begun his spell with the Three Lions under-21s' backroom staff.
The 44-year-old, who won 73 senior caps, has joined Aidy Boothroyd's coaching staff for the friendlies in Italy and Denmark.
Campbell's involvement, initially for one camp, was announced last month and he will help train the squad and travel with them to the friendlies while he could still join the Young Lions for Euro 2019 in June if it goes well.
It is part of the FA's inclusion plan to develop more BAME coaches and former Wolves and Ipswich assistant manager Terry Connor joined the squad for games against Andorra and Scotland in October.
Meanwhile, Crystal Palace defender Aaron Wan-Bissaka is out of the squad along with Harvey Barnes, Dael Fry and Josh Onomah.
Wan-Bissaka is missing with a shoulder injury while West Brom's on-loan Leicester midfielder Barnes is battling a foot problem.
Onomah, on loan at Sheffield Wednesday from Tottenham, has a knee injury while Middlesbrough defender Fry is also out.
Boss Boothroyd said: "We're disappointed to lose the boys who have come in and done really well. It was a difficult squad to pick in the first place but it gives someone else an opportunity.
"We'll assess it and maybe bring another in but if not we have enough. November is always the time of year when pitches change, there are a lot of games so you expect a few bumps and bruises.
"Providing everyone is fit for June, we'll be in a good place."
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