Diḇre haYamim Bĕt (2 Chronicles) 34:3

And in the eighth year of his reign, while he was still young, he began to seek the Elohim of his father Dawiḏ. And in the twelfth year he began to cleanse Yehuḏah and Yerushalayim from the high places, and the Ashĕrim, and the carved images, and the moulded images.