The club even had the audacity to separate Conte from his achievements while at Chelsea, explaining that "during Antonio's time" they won a "sixth league title and eighth FA Cup".
Conte spent two seasons in charge of the Premier League club, leading them to the title in his first year.
"I wish you every success in the future", he wrote.
Conte still had a year left on a revised deal he signed last summer after delivering the fifth Premier League title since Roman Abramovich bought Chelsea in 2003.
Maurizio Sarri will not be taking his old backroom staff from Napoli to Chelsea and is only bringing in Gianfranco Zola as his number two.
It is now official, Chelsea have chose to "part ways" with Antonio Conte, who was a highly popular figure among the Chelsea fans, but simply could not get along with members of the board.
In the wake of Chelsea's FA Cup win, Willian obscured Conte in a team celebration photograph posted on Instagram.
The Italian coach fell out with the Chelsea board last season and was adamant that he would receive his full £9m compensation fee.
The chain smoking former Empoli manager - who will have to restrain himself on the touchline in England where smoking is banned - was named Serie A Coach of the Year in 2016-17. "Jorginho would go to Chelsea regardless of Sarri".