Possible Clues:

• Break a habit, in a way
• Put down what's been picked up: new grass in pot
• Deliberately lose, as prejudices
• Break, like a bad habit
• Break, as bad habits
• Discard knowledge of
• Forget studies of tragic role in curtailed Nunn production
• Deliberately forget
• Try to forget information nun spread about king
• Forget tunnel-repairing, missing odd bits