 Rimington left the Guides in January 1901.The force was reorganised as Damant's Horse under Major Frederic Damant, Rimington's second-in-command, though they were often known by his name through the remainder of the war.Rimington returned to the 6th Dragoons, following a promotion to lieutenant-colonel on 29 September 1900, to take command of the regiment, and fought with them through the remainder of the war.