Departed interim Aberdeen manager Peter Leven says he has "confidence that the club will continue to move forward and succeed".
The 42-year-old exited Pittodrie after his third spell as caretaker came to an end after the arrival of Stephen Robinson from Scottish Premiership rivals St Mirren as their new head coach.
After a 1-1 draw with Falkirk and Saturday's 4-1 loss to Rangers in their first two games under Robinson, Aberdeen are now just three points above St Mirren and Kilmarnock, who occupy the relegation play-off place.
Responding to his departure for the first time, Leven said in a statement on LinkedIn: "After three memorable years at Aberdeen FC, the time has come for me to move on.
"I want to express my deepest gratitude to everyone connected with the club – the players, staff and, most importantly, the supporters.
"Together, we've shared memorable moments that I will carry with me for the rest of my career.
"Coaching the team into the European group stages twice and I'm incredibly proud to have been part of this club that lifted the Scottish Cup, a moment l'll never forget.
"It's been an honour to represent Aberdeen. I leave with immense respect and appreciation for Aberdeen FC and confidence that the club will continue to move forward and succeed."
Former Kilmarnock, Chesterfield, Milton Keynes Dons and Oxford United midfielder Leven joined the Pittodrie coaching staff after a two-year spell as assistant with Russian club Orenburg.
He had started his coaching career with Middlesbrough's academy before becoming assistant with Kilmarnock and Dynamo Brest in Belarus.
