At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
- "'Deletrius!' Mr Diggory shouted, and the smoky skull vanished in a wisp of smoke."
- — Description[src]
During the 1988–1989 school year at Hogwarts School of Witchcraft and Wizardry, Professor Filius Flitwick taught his fifth-years how to cast this particular charm in Charms class. In the same school year, during the Great Hogwarts Cook-Off, Jacob's sibling used this spell to eradicate Ismelda Murk's Dough Creature.
On the 25 August, 1994 after the 422nd Quidditch World Cup, after the reappearance of the Dark Mark cast by Bartemius Crouch Junior using Harry Potter's wand, Amos Diggory used this spell to eradicate the ghostly and frightening image of the Dark Mark in the sky.
Latin verb delere meaning to destroy, from which the English word "delete" is derived, meaning to remove.
- Harry Potter and the Goblet of Fire (First appearance)
- Pottermore (First identified as Eradication Spell)
- Harry Potter: Hogwarts Mystery