Until the end of the war, it was indisputable that Michilimackinac was British, but when the peace treaty was signed in December 1814, Michilimackinac was restored to the Americans and the British decided not to rebuild Fort St. Joseph. The British then built a fort on Drummond Island between St. Joseph and Mackinaw, but maintained the use of the powder magazine at the otherwise abandoned Fort St. Joseph. Fort St. Joseph was then forgotten when the British moved the garrison to Penetanguishene after the decline of the fur trade.