Chelsea have been ordered to expand their away dressing room.
The Sun says Liverpool and Brighton complained to the Premier League that the changing rooms at Stamford Bridge are too small.
Players were forced to share the dressing room instead of having a separate space for management and staff.
Stamford Bridge ground has a capacity of 41,837 and its changing rooms was opened in 1974.
Regulations due to the pandemic limit the number of people allowed in a certain area.