Already-relegated Wycombe thumped Gillingham 3-0 to drag the Gills down to League Two with them.
Goals from Matt Phillips, Alan Bennett and Kevin Betsy - together with wins for Exeter and Tranmere and a draw for Hartlepool - condemned Mark Stimson's men to an instant return to the basement division.
Gillingham goalkeeper Alan Julian produced three good diving saves to keep out long-range strikes from Kevin McLeod, Phillips and Lewis Montrose as Wycombe dominated the first half.
Gills striker Simeon Jackson saw his 15-yard snap-shot deflected just wide before Phillips brilliantly put Wycombe ahead on the stroke of half-time.
Phillips cut in from the right flank and curled a delightful left-foot shot inside the far post from the edge of the box.
Gillingham blew three golden opportunities to equalise as Rene Howe lobbed wide of an open goal, Jackson volleyed John Nutter's cross wide from six yards and Dennis Oli scuffed straight at keeper Tom Heaton.
And Bennett doubled the Chairboys' lead against the run of play in the 64th minute when he headed in Phillips' corner at the far post.
Wycombe striker Jon-Paul Pittman had a goal disallowed for offside before Betsy sealed the win when his angled drive deflected off defender Mark Bentley and beat Julian at his near post.
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