The 27-year-old's days at Stamford Bridge have long looked numbered after struggling to hold down a starting spot under a succession of managers.
Barkley does not look to be part of Thomas Tuchel's plans, with the number eight shirt previously occupied by the midfielder being given to Mateo Kovacic for 2021-22.
it a clear sign that the Englishman is no longer needed at Stanford Bridge
Thirty-three cap England international Barkley has been left entirely off Chelsea's list of players with a squad number for this season.
Aston Villa have been tipped to move for Barkley following his spell on loan at the club last term, while Newcastle United were rumoured to hold an interest before signing Joe Willock.