Which of the following is NOT a way of discharge of a contract?

Discharge by Performance Discharge by Lapse of time Discharge by Impossibility of Performance Discharge by Act of God

Discharge by Act of God

Discharge of a contract may be done by the following ways: Discharge by Performance; Discharge by Agreement or Consent; Discharge by Impossibility of Performance; Discharge by Lapse of time; Discharge by Operation of law; Discharge by Breach of contract.