The shipping giant said the moves were expected to save $3.5 billion and were made in anticipation of “lower volumes from our largest customer,” which is Amazon.

UPS on Tuesday announced it is planning to cut 20,000 jobs this year, part of a cost-cutting effort that's linked to fewer deliveries from Amazon, its biggest customer.

UPS will cut 20,000 jobs this year, about 4% of its global workforce, the company said Tuesday. But UPS added the decision is unrelated to tariffs and is instead due to increased use of technology and a previously announced plan to trim its Amazon business.