Republic of Ireland defender Enda Stevens has been ruled out of the England, Wales and Bulgaria matches through injury.
Stevens will return to Sheffield United after his assessment from the FAI medical team and Nottingham Forest defender Cyrus Christie has been called into the squad as a replacement.
The Ireland squad reported for duty in London today and will train at the Hive, Barnet tomorrow and Tuesday ahead of the international friendly against England on Thursday.
Republic of Ireland Squad
Goalkeepers: Darren Randolph (West Ham United), Caoimhín Kelleher (Liverpool), Mark Travers (AFC Bournemouth).
Defenders: Seamus Coleman (Everton), Matt Doherty (Tottenham Hotspur), Kevin Long (Burnley), Shane Duffy (Celtic, on loan from Brighton and Hove Albion), John Egan (Sheffield United), Dara O’Shea (West Bromwich Albion), Cyrus Christie (Nottingham Forest).
Midfielders: Conor Hourihane (Aston Villa), James McCarthy (Crystal Palace), Harry Arter (Nottingham Forest), Jeff Hendrick (Newcastle United), Alan Browne (Preston North End), Jayson Molumby (Brighton and Hove Albion), Robbie Brady (Burnley), Jack Byrne (Shamrock Rovers).
Forwards: Callum Robinson (West Bromwich Albion), Callum O’Dowda (Bristol City), James McClean (Stoke City), Aaron Connolly (Brighton and Hove Albion), Adam Idah (Norwich City), James Collins (Luton Town), Ronan Curtis (Portsmouth), Daryl Horgan (Wycombe Wanderers).