After the suppression of the coup, Ōsumi resigned as Minister of the Navy, and served as Naval Councilor from 1936 onwards. In 1940, on the retirement of Prince Fushimi Hiroyasu, Ōsumi became the most senior admiral in the Imperial Japanese Navy; however, he was bypassed for promotion by Osami Nagano.
Following the suppression of the uprising, Ōsumi stepped down as Minister of the Navy and took on the role of Naval Councilor from 1936. In 1940, when Prince Fushimi Hiroyasu retired, Ōsumi rose to become the highest-ranking admiral in the Imperial Japanese Navy; but he was overlooked for promotion by Osami Nagano.