Adelaide has traded out a pair of late picks for a future fourth round selection after paperwork was lodged with the AFL on Thursday.

The Crows sent picks 56 and 63 to Fremantle in exchange for the Dockers' fourth round pick in next year's draft.

Adelaide currently holds picks 1, 9, 22, 23, 40 and 80 in December’s national draft, as well as a future second round selection (tied to Melbourne) and two future fourth round selections (tied to Hawthorn and Fremantle).