Manuel Jose has resigned as coach of Angola, ending a brief stay several months before the end of his contract.
Jose told a news conference he had turned down the offer of a new contact for personal reasons,and hinted that his age might have been a factor.
"Everybody expressed their satisfaction with my work here but at the age of 64 what is left of my coaching career is short," he told the conference.
The Portuguese coach took over eight months ago on a one-year deal to steer the hosts through the African Nations Cup finals. Angola finished top of their first round group but were eliminated by an under-strength Ghana in the quarter-finals.
"I would like to thank the president of the Republic, Jose Eduardo dos Santos, the journalists and the humble people of this country, who have all been very supportive.''
Jose, widely regarded as one of the best ever coaches on the African continent following a successful stint with Egyptian club Al-Ahly, had four months remaining on his contract.
Jose's assistant, Zeca Amaral, has been appointed caretaker coach until a permanent replacement is found, the Angolan Football Federation said.