Leviticus 14:41 in the King James Version
And he shall cause the house to be scraped within round about, and they shall pour out the dust that they scrape off without the city into an unclean place:
Context
40 then the priest shall command that they take out the stones in which is the plague, and cast them into an unclean place outside of the city.
41 He shall cause the inside of the house to be scraped all over. They shall pour out the mortar that they scraped off outside of the city into an unclean place.
42 They shall take other stones, and put them in the place of those stones; and he shall take other mortar, and shall plaster the house.