The national team are staying near the National Football Centre at St George's Park, as they prepare for their upcoming friendlies against Holland and Italy.
According to ESPN, the Starbucks staff at the hotel have been instructed to take sandwiches and muffins off the menu, remove syrup from cappuccinos served to the players and only serve coffee, tea and bottled water.
A source told ESPN, "Starbucks are not allowed to serve food in the cafe while the players are staying at the hotel."
The former England U21s boss is not the first to implement strict diets on players, as managerial counterpart Fabio Capello banned tomato sauce during his spell in charge of the Three Lions squad.
England face the Netherlands on Friday in a final stretch of fixtures before the World Cup this summer.