The Germany assistant coach has dismissed the idea of playing the Bayern Munich man in defense should injury doubt Mats Hummels not return to face Ghana on Saturday.
Germany assistant coach Hansi Flick says national captain Philipp Lahm will not play in defense even if Mats Hummels fails to recover from a thigh problem in time for his side's match with Ghana.
Joachim Low's men began their World Cup campaign with a crushing 4-0 victory over 10-man Portugal last Monday.
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However, Germany came out of that fixture with worries over Jerome Boateng [thumb] and Hummels.
Boateng has been able to train and should be fit to face Ghana on Saturday, but Hummels' inclusion remains in doubt with the Borussia Dortmund man doing individual training in a bid to play.
Should he not make it, one suggestion mooted was to switch Boateng to center back and move captain Lahm from his defensive midfield role to fullback.
Assistant coach Hansi Flick, however, suggested that was not an option being discussed.
"Philipp Lahm will stay in central midfield even if Mats Hummels is unfit for Saturday," Flick told a press conference. "We have enough alternatives in this position."
On Boateng and Hummels, he added: "Jerome trained normally today, Mats trained individually and is being treated throughout the day.
"We hope that our excellent medical department ensures that Mats is able to play on Saturday."