Following a serious illness in 1971 Hilton became disillusioned with politics, and decided to dedicate himself to his work with the builders federation. When it became clear that his constituency was to be abolished due to boundary changes, he announced he would not be seeking re-election elsewhere.
Following a severe illness in 1971 Hilton lost faith in politics, and chose to focus on his work with the builders federation. When it became evident that his constituency would be eliminated due to boundary changes, he declared he would not seek re-election elsewhere.