The Blackcats had been terribly poor in performance in the recently concluded 2016/17 season, sitting at the bottom of the table with an abysmal 24 points in 38 outings, suffering a 5-1 trashing in the hands of Champions, Chelsea on the last matchday of the just concluded season.
The Scotsman has not been the same since leaving Everton to manage Manchester United in 2013 after Sir Alex Ferguson stepped down from his managerial post at Old Trafford.
And yet again has decided to abandon ship in a meeting with club owner Ellis Short on Monday.
Ellis Short confirmed the report of the 54-year-old's departure saying:
"I pursued the services of David Moyes for a considerable period prior to his appointment last summer, which makes the announcement of his departure difficult for everyone concerned.
"Having worked tirelessly throughout the campaign to avoid relegation from the Premier League, David has chosen to leave the club without compensation, which is testament to his character.
"In the days ahead we will take some time for reflection, and then focus on recruitment and pre-season as we prepare for our Championship campaign. We wish David well in the future."Moyes said:
"I would like to thank Ellis Short and the board for giving me the opportunity to manage Sunderland and the fans for always being so passionately supportive of their club.Moyes signed a four-year deal in July 2016 with Short admitting at the time he had pursued the Scotsman before hiring the previous five bosses at the Stadium of Light.
"I wish the players and my successor well in their efforts towards promotion back to the Premier League."