John Cooney, Finlay Bealham and Mike Haley are the latest players to be cut from Ireland's World Cup training squad.
And it has been confirmed that Joey Carbery will be out for four to six weeks with an ankle injury he sustained against Italy in Saturday's opening warm-up game, leaving him facing a race to be fit for the World Cup opener against Scotland on September 22.
A squad of 40, including Carbery, travelled to Quinta Do Lago in Portugal this morning to begin an eight-day training camp.
Devin Toner, who rolled his ankle in Saturday's 29-10 victory, and Rob Herring who suffered a back spasm, have both fully recovered.
Ulster scrum-half Cooney also covers the out-half position but Ireland boss Joe Schmidt has clearly decided that Carbery will be OK for the finals in Japan.
Connacht's Bealham faced serious competition in the front row for selection, while Munster full-back Haley, who made his Test debut last weekend, was always a very long shot to make the final squad of 31.
The trio have returned to their provinces but, like Ultan Dillane and Rory Scannell who were cut before them, they will remain on stand-by for injuries.
Ireland's next Test match is against England at Twickenham on Saturday, August 24.
Ireland training squad for Portugal
Forwards (22)
Rory Best (Banbridge/Ulster) 117 caps
Tadhg Beirne (Lansdowne/Munster) 6 caps
Jack Conan (Old Belvedere/Leinster) 14 caps
Sean Cronin (St Mary’s College/Leinster) 68 caps
Tadhg Furlong (Clontarf/Leinster) 33 caps
Cian Healy (Clontarf/Leinster) 89 caps
Iain Henderson (Queen’s University/Ulster) 45 caps
Rob Herring (Ballynahinch/Ulster) 8 caps
Dave Kilcoyne (UL Bohemians/Munster) 29 caps
Jean Kleyn (Munster) 1 cap
Jack McGrath (St Mary’s College/Ulster) 55 caps
Jordi Murphy (Lansdowne/Ulster) 28 caps
Tommy O’Donnell (UL Bohemians/Munster) 13 caps
Peter O’Mahony (Cork Constitution/Munster) 57 caps
Andrew Porter (UCD/Leinster) 15 caps
Rhys Ruddock (St Mary’s College/Leinster) 22 caps
James Ryan (UCD/Leinster) 17 caps
John Ryan (Cork Constitution/Munster) 19 caps
Niall Scannell (Dolphin/Munster) 15 caps
CJ Stander (Shannon/Munster) 31 caps
Devin Toner (Lansdowne/Leinster) 65 caps
Josh van der Flier (UCD/Leinster) 17 caps
Backs (18)
Will Addison (Enniskillen/Ulster) 3 caps
Bundee Aki (Galwegians/Connacht) 17 caps
Ross Byrne (UCD/Leinster) 2 caps
Joey Carbery (Clontarf/Munster) 19 caps
Jack Carty (Buccaneers/Connacht) 4 caps
Andrew Conway (Garryowen/Munster) 13 caps
Keith Earls (Young Munster/Munster) 77 caps
Chris Farrell (Young Munster/Munster) 6 caps
Robbie Henshaw (Buccaneers/Leinster) 37 caps
Dave Kearney (Lansdowne/Leinster) 18 caps
Rob Kearney (UCD/Leinster) 90 caps
Jordan Larmour (St Mary’s College/Leinster) 14 caps
Kieran Marmion (Galwegians/Connacht) 26 caps
Luke McGrath (UCD/Leinster) 11 caps
Conor Murray (Garryowen/Munster) 72 caps
Garry Ringrose (UCD/Leinster) 21 caps
Jonathan Sexton (St Marys College/Leinster) 83 caps
Jacob Stockdale (Lurgan/Ulster) 19 caps
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