"It was something that we all mutually agreed together," the United boss said.
"I think it was the right decision for club and player."
Vidic has been heavily linked with a move to Inter Milan. The Serb will skipper the Red Devils until the end of the season.
"He has been a brilliant servant for Manchester United," Moyes added.
"He is captain and it will remain that way until the end of the season.
"He has been a great player for us and we will continue using him."
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