The latest squad update from the IRFU has confirmed that Nathan Doak, Cormac Izuchukwu, Jude Postlethwaite, Tom Stewart and Bryn Ward have all returned to Ulster ahead of the province's Round 12 fixture against Ospreys in Wales.
Harry Byrne, Edwin Edogbo, Tom Farrell, Michael Milne, Darragh Murray and Cian Prendergast have also returned to their respective provinces.
On the squad's injury front, Leinster's James Lowe (groin) will continue to be monitored by the medical team, while Jack Conan (illness) will return to training this week after missing the 42-21 victory over England.
The Ireland squad will gather for a two-day camp in Dublin on Wednesday as preparations continue ahead of the Round 4 Guinness Men’s Six Nations clash against Wales at Aviva Stadium on Friday, 6th March (kick off 8.10pm).