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.
In 1907, he stepped down from this post after being accused of corruption and planned to sue his accusers. Prévost had disputes with the Liberals over their views on establishing a Canadian navy and later ran as an Independent Liberal.