FedEx is ending its ground-shipping relationship with Amazon, the carrier giant said in a statement on Wednesday.

Dave Clark, Amazon's senior vice president of operations, called the split "conscious uncoupling at its finest" in a tweet posted Wednesday.

"Nothing but respect for FedEx but they were very small piece of our network and vice versa, we wish them nothing but the best," Clark tweeted.

A top Amazon executive said Wednesday that FedEx's decision to end its ground-shipping relationship with Amazon was "conscious uncoupling at its finest."

"Nothing but respect for FedEx but they were very small piece of our network and vice versa, we wish them nothing but the best (conscious uncoupling at its finest)," Dave Clark, Amazon's senior vice president of operations, said in a tweet on Wednesday.

"We have great strategic partners who are part of our long term plan and we appreciate what they do for customers."

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