 In October 1959 he became Paymaster-General, which he remained until October 1961, when he was made Minister without Portfolio.Following his departure from the Cabinet after the "Night of the Long Knives" he was made Viscount Mills, of Kensington in the County of London, in 1962.Lord Mills died in September 1968, aged 78, and was succeeded in the viscountcy by his son, Roger.