EUROSTAR has withdrawn station calls at both Ebbsfleet and Ashford International from its timetables until 2022.
Services stopped calling at both on the intermediate stations on HS1 when the national lockdown began in late-March.
Passenger bookings nosedived by 90% as quarantine restrictions kicked in.
A Eurostar spokesperson said: "Given the uncertain outlook, it is crucial we adapt and take action to reduce our costs to protect our business for the future.
"In 2021, we will reduce our timetable, focusing only on our core routes and destinations where we see the highest demand:'