He resigned this post in 1907 after he was accused of corruption, so that he could sue his accusers. Prévost came into conflict with the Liberals over his opposition to the creation of a Canadian navy and later ran as an Independent Liberal.
He relinquished this position in 1907 due to allegations of corruption and intended to sue his accusers. Prévost encountered conflicts with the Liberals regarding their stance on a Canadian navy, leading him to run as an Independent Liberal.