Barca's Flick calls for more loyalty after Dro exit reports
The 18-year-old has a six million euro ($7 million) release clause in his contract and Spanish media reported he told the club this week he plans to depart in January rather than renewing his contract.
Flick said he did not want to speak about the issue but indicated he thought people advising the player were blame for his decision, with Paris Saint-Germain and Borussia Dortmund among teams linked to Dro.
"I don't want to answer... as a coach you give a lot of energy to the players, you give them the confidence...