These proved to reduce their speed by one knot and were removed after their trials as superfluous since both ships had been rebuilt to reflect the lessons of the "Tomozuru" Incident. As a result of hull damage sustained by two s during a typhoon on 26 September 1935, the subsequent investigation led to all ships in the "Hatsuharu" class spending 3 months in the shipyards having their hulls strengthened, at the cost of an extra of weight, and their fixed ballast increased from . As a result of these and previous modifications the ships were 23.2% heavier, had lost 33% of their torpedo armament and were slower compared with their original design values. All "Hatsuharu"-class ships were lost during the Pacific War. Four were sunk by aircraft attack, and "Nenohi" was sunk by the American submarine . "Hatsushimo", the last Japanese destroyer lost in the war, struck a mine on 30 July 1945.