Kramer's form on-loan with Borussia Dortmund is understood to caught the eye of Real.
But René von Bruch told BILD: "Christoph is only concentrating on Gladbach and when he finishes with them at the end of the season he has a contract with Leverkusen."
On Real Madrid, Von Bruch added: "This isn't an issue for us."
Bayer chief Rudi Voeller also said: "We are calm, for us the situation is clear."
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