The Scot has been linked with Tottenham.
"David has just signed a new contract six weeks ago," said Solskjaer.
"He has been terrific this season and he is a vital part of my squad. He's going to be immense and phenomenal over the next seven games, I'm sure of that. He's been absolutely top.
"I've said he's in the top three or four goalkeepers in the Premier League."
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