Langer, who took charge of Australia in May 2018 in the wake of the sandpaper controversy, hinted minimal changes in the side.
The ICC wants to try out the four-day Test matches during the next FTP cycle between 2023-2031 in order to get more free days for the commercially lucrative shorter formats.
Lyon's sharp statement comes just days after Australia CEO Kevin Roberts said that their board is interested in four-day Tests and they could play one against Afghanistan later this year.
Siddle, who played a key role in helping Australia retain the Ashes in England earlier this year, went to the Australian dressing room at the Melbourne Cricket Ground to tell his teammates personally.
He has also been a stalwart for Tasmania, the Hobart Hurricanes and Melbourne Stars since making his first-class debut in 2004.
Australian all-rounder Glenn Maxwell has decided to take a short break from cricket to deal with his mental health issues.
Kohli's men registered a record-breaking 11th home series win on the trot when they defeated South Africa last month at home.
The Western Australia captain took his frustrations out in the changing rooms after he was dismissed for 53 in a Sheffield Shield match against Tasmania on Sunday.
Smith skippered the team until he was suspended for 12 months over a brazen attempt to alter the ball with sandpaper under his watch in Cape Town last year.
Warner ended with the unwanted record of the fewest runs scored by a Test opener across 10 innings of a series.
Warner has been in awful form in the ongoing Ashes scoring just 79 runs at an average of 9.87 per innings.
With the series locked at 1-1, a victory in the next two Tests will ensure Australia retain the urn in England for the first time since Steve Waugh's side triumphed 4-1 in 2001.