| Izutsu Beya - 04-January-2005 - Tatsutayama Oyakata (Former Maegashira #1 Sasshunada) moved to Michinoku Beya |
| Oshiogawa Beya - 31-March-2005 - Oshiogawa Beya closed in preparation for retirement of Oshiogawa Oyakata (Former Ozeki Daikirin). Personnel moved to Oguruma Otake and Nishikido Beya |
| Oyakata | Rikishi | Yobidashi | Tokoyama |
| To Oguruma Beya: Oshiogawa (Daikirin) | Retired: Kiryuzan Watanabeyama To Oguruma Beya: Hienriki Kinunoyama Kiozan Wakakirin Wakatoba Yamakoshi | To Oguruma Beya: Rokuro To Otake Beya: Goro Shiro | To Nishikido Beya: Tokonaka |
| Tatsunami Beya - 19-April-2005 - Asakayama Oyakata (Former Komusubi Tomonohana) moved to Tomozuna Beya |
| Sadogatake Beya - 25-November-2005 - Retirement of Sadogatake Oyakata (Former Yokozuna Kotozakura). Smooth takeover by retirement of former Sekiwake Kotonowaka as rikishi |