Good was named in a provisional thirty-man group for the Socceroos but the twenty-one year-old was sadly cut from the squad recently after failing to recover from a hip flexor problem.
This summer's World Cup is due to begin on Thursday 12 June when hosts Brazil take on Croatia.
The Melbourne-born defender, who can play left back or centre half, played on loan for City during the club's amazing 2012/2013 campaign.
After joining temporarily from Premiership giants Newcastle United, Good played nine times for Phil Parkinson's men during the Bantams' history-making season.
Good memorably played in both legs of City's Capital One Cup Semi-Final victory over Aston Villa before also starting the grand final against Swansea City at Wembley Stadium.
Veteran 'keeper Mark Schwarzer, who featured for City during the 1996-97 season, won't be going to the World Cup either after retiring from international football last November.
Not helped by a serious foot injury back in January which kept him out of action for three months, City defender James Meredith hasn't featured in any of Australia's plans for this summer.