More than 200 jobs are to go at Cadbury's main factory at Bournville near Birmingham in a move the company says will safeguard production for the next 25 years.
US owners Mondelez said the reduction would be achieved through voluntary redundancies.
The firm announced a proposed £75 million investment at Bournville a year ago to build four state-of-the-art production lines.
ITV Central Business Correspondent Mark Gough reports that Cadbury will invest £75 million in modernising productions lines at its factory in Birmingham:
US astronauts Christina Koch and Jessica Meir are on course to make history as they venture outside the orbiting space lab.
Campaigners argue the new deal struck between the Government and the EU contravenes existing law on customs arrangements.
The deal includes a conditional halt to American economic sanctions.