Bringing Fernando Alonso to Ferrari to partner world champion Kimi Raikkonen would not be desirable, team president Luca di Montezemolo said on Tuesday.
Alonso denied this month that he had an escape clause in his contract with struggling Renault that might allow him to leave for Ferrari at the end of the Formula One season.
However, Spain's double world champion did say contracts are "very flexible" given his departure from McLaren last year.
Felipe Massa's shaky start for world champions Ferrari this season increased the speculation.
However, Massa won in Bahrain and now Montezemolo has said Alonso would not be the ideal driver.
"To line up a Raikkonen-Alonso double act would mean wanting to damage yourself. I want two equal drivers that work together," the president told Tuesday's Gazzetta dello Sport.
Montezemolo also said he would be devoting more time to Ferrari after stepping down as head of Italy's industry body.
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