Bower, 24, played 70 senior games at the Blues but only 10 this year after just three last season.
He was among nine de-listing casualties on Wednesday ahead of the official AFL October 31 deadline for lists leading into next month's national draft on November 22.
Blues football management also dumped Andrew Collins, Rohan Kerr and Bret Thornton as well as rookies, Nick Heyne and Mitch Carter.
The Blues also released two New South Wales Scholarship players Blake Bray and Matthew Lodge.
The heavy de-listing casualties follow the departure of veteran Jordan Russell who was traded to Collingwood in exchange for pick 71 at the national draft.
Russell, 25, played 116 senior games at the Blues but couldn't win a regular berth in the troubled 2012 with just seven appearances at the top level.
Blues general manager of football affairs Andrew McKay revealed that Collins will train with the squad from early next month.
Collins, 23, could be recalled to the Blues final list for 2013 as a rookie through the December pre-season draft.
Carlton have picks 11, 36, 56 and 71 in next month's draft.