The tycoon's move came after he denounced the proposal as "visually destructive" and claimed that if it goes ahead, it would mean the Scottish coast in the north east will be "forever ruined".
Trump had warned First Minister Alex Salmond warning that, if approved, he may have to reconsider his investment in the Trump International Golf Links at the Menie Estate in Balmedie.
Opponents say the Glenmorie wind farm, proposed for the hills above the Dornoch Firth, would straddle an ancient drove road, can be seen from Skibo Castle, where Madonna was married, and would damage tourism. Conservationists say it would be on the edge of an area identified by Scottish Natural Heritage as a Search Area for Wild Land.
But supporters say the wind farm would generate enough power for 90,000 homes and would boost the local economy.