Further withdrawals of earlier sets occurred until July 1983 when the last two sets of 1942 stock were withdrawn for scrapping, while the 1936 stock had all been withdrawn and scrapped by April of that year.
After removing previous batches, the final two sets of 1942 stock were taken out for recycling in July 1983, while all the 1936 stock was already gone and scrapped by April of that year.