Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
كتاب المغازى
(12) Chapter
باب
Narrated Nafi`:
Ibn `Umar used to kill all kinds of snakes until Abu Lubaba Al-Badri told him that the Prophet (ﷺ) had forbidden the killing of harmless snakes living in houses and called Jinan. So Ibn `Umar gave up killing them.