Disenchant

v. t.
  1. To free from enchantment; to deliver from the power of charms or spells.
  2. to free (a person) from fascination or delusion; to destroy the false hopes or overoptimistic expectations of (a person); to disillusion; -- used with people or events as the agent (subject); as, the candidate was disenchanted by the low turnout at the rally.