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Earlier this year, salad chain Sweetgreen ousted Sriracha from its menu, and now it’s removing a signature container from the shelves of all 53 stores nationwide, according to Washingtonian, which first reported the discontinuation.

The D.C.-born company will no longer sell or let customers use “salad blasters”—the $6 reusable containers that customers could bring in to score a free salad topping.

The use of such containers could increase “the risk of food borne illnesses” if they aren’t cleaned properly, Washingtonian reports. But if you have one of the bowls lying around, you can now return it in exchange for a free salad.

As part of the company’s Make America Healthy Again campaign, the company rid its menu of sriracha and bacon in May. At the time, the company said it would begin “leading conversations around various issues in the food system, from nutrition and economics to transparency,” in order to raise awareness of “the flaws in today’s food system and work together to envision a sustainable future that protects real food.”