However, Kubota virtually replaced President of Tokyo Imperial University Kenjiro YAMAKAWA in the form of dismissal at his request because Tomizu submitted a report against Treaty of Portsmouth in the joint names with Kanai and Terao to the throne.
ところが、戸水は金井・寺尾と連名でポーツマス条約に反対する上奏文を宮内省に対して提出したため、久保田は東京帝国大学総長の山川健次郎を依願免職の形で事実上更迭した。