"On July 6, 2018, the Department of Commerce announced that it was revoking the duty measure, effective July 5, 2018," the release read.
The Canadian government specified that the United States will refund all duties collected since August 2015.
"No two nations depend more on each other for their mutual prosperity than the United States and Canada," Canadian Foreign Minister Chrystia Freeland said in the statement. "Our relationship supports millions of middle-class jobs on both sides of the border."
On Thursday, the WTO said that it is backing Ottawa’s complaint against Obama-era duties against Canadian supercalendered paper.
Canada filed a complaint in March 2016 challenging the United States on countervailing duties it imposed on supercalendered paper and its investigation justifying those duties.