She tested a new fire-control system in 1924 at ranges up to ; her new tripod mast was not sturdy enough for the weight of the system, but it was judged to be successful and subsequently installed in the s. That same year, the ship transported Benito Mussolini to Palermo, Sicily. The Italian economy had been weakened by fighting World War I, and by the late 1920s it could no longer afford to maintain a sizable fleet. As a result, Admiral Sechi decided to scrap "Dante Alighieri" and the salvaged battleship to reduce the naval budget. The ship was stricken on 1 July 1928 and was subsequently scrapped.