Alonso, 35, has said he might be on the move at the end of the year, as his three-year contract with struggling McLaren-Honda finally runs out.
But Mercedes team chairman Lauda told the Swiss newspaper Blick: "He (Alonso) is certainly not on our wish list.
"We are fully satisfied with Hamilton and Bottas. But as my partner Toto Wolff has said: never say never," the great Austrian added.
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