Multiple choice general knowledge Which Memory Charm is used to clear all previous memory? Oblitron Obitrum Oblicius Obliviate Reveal answer Fill a bubble to check yourself D Correct answer Explanation Obliviate is the Memory Charm used to erase or completely clear a person's memories, commonly used by wizards to maintain the Statue of Secrecy. Gilderoy Lockhart was famous for (mis)using this spell. The other options are made-up spell names.