In January 1377 Edward III, under the influence of John of Gaunt, reverted to the custom of appointing ecclesiastical chancellors, and Adam de Houghton was appointed to succeed Knyvet on 11 January Knyvet did not again hold judicial office, though he was appointed with the two chief justices to decide a question between the Earl of Pembroke and William la Zouch of Haryngworth.
In January 1377, Edward III, influenced by John of Gaunt, reinstated the practice of appointing ecclesiastical chancellors. Adam de Houghton replaced Knyvet on January 11th.  Knyvet was never appointed to a judicial position again but did participate in a dispute between the Earl of Pembroke and William la Zouch of Haryngworth with two chief justices.