Days before a troop-funding deal was set to expire, the U.S. has dropped its demand that South Korea pay five times more to host its military personnel after receiving assurances Seoul would purchase more American weapons, a newspaper report said.

The Trump administration also likely eased up after South Korea indicated it would step up its presence in the Strait of Hormuz, helping U.S. efforts to protect oil flows in the region, South Korea's Chosun Ilbo newspaper reported Thursday, citing an unidentified diplomatic source. The increase now may be 10 to 20 percent above the current level of nearly $1 billion, it said.

South Korea's foreign ministry declined to comment on the report.