Nick Montgomery has been "relieved of his duties as head coach", Hibernian have announced.
The 42-year-old Leeds-born former Scotland youth midfielder had been in charge since September.
But his side missed out on a top-six finish in the Scottish Premiership and slipped to ninth after Saturday's 4-0 home defeat by Aberdeen.
Some fans staged a sit-down protest following the match at Easter Road, but Montgomery pleaded for patience, pointing out that the club's owners knew that he needed an overhaul of his squad this summer.
More to follow.