Richard Cockerill has left his role as Edinburgh head coach "by mutual consent to allow him to pursue other opportunities", the Pro14 club has announced.
The 50-year-old former England player departs after four years in charge.
Assistant coach Calum MacRae and head of strength and conditioning Nick Lumley will oversee the start of the club's pre-season programme.
"It has been a rewarding four seasons for the club," said Cockerill.
After a long association with Leicester and a brief stint at Toulon in France, he arrived at Murrayfield in the summer of 2017 and was contracted until the summer of 2023 after signing a two-year extension in 2020.
In a disrupted 2019-20 campaign, Cockerill led Edinburgh to a first home semi-final in the Pro14.
The club reached the play-offs in his first year as well as the Champions Cup quarter-finals in 2018-19.
However, Edinburgh lost 10 of their 16 league matches last season and managed just one win from five outings in the Rainbow Cup.
Edinburgh Rugby managing director Douglas Struth said: "I would like to thank Richard for all his hard work and commitment. We wish him all the very best in his next challenge."
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