There’s one less way for fans of the Varsity to quench their thirst.

The storied Atlanta-based chain restaurant has removed plain chocolate milk served with ice  -- known in Varsity lingo as "P.C." -- from the menu at all of its locations, WSB-TV reports. The beverage had been on the menu since the Varsity was founded in 1928.

The change is due to supply chain issues. Its supplier, Mayfield Dairy Farms, is no longer able to package the product. The issues are unrelated to the COVID-19 pandemic.

We understand many of our fans will be disappointed by this news and we truly regret letting you down," a post on the eatery's Facebook page reads in part. It is our hope to partner with another vendor so we may produce P.C again sometime in the future. Unfortunately, we do not have a timeline. As a family, we would like to say thank you to everyone who has enjoyed P.C during the last 92 years. We hope you visit us again soon and try one of our other signature beverages.

This is not the first time a menu item has been removed from the Varsity’s menu. Chicken salad and egg salad sandwiches are among dishes that were cut in the past.

Varsity marketing director Ashley Weiser said that although longtime Varsity customers “have strong emotions and memories” tied to the P.C., the drink only accounted for 1% of overall sales for the restaurant.

Weiser said that if demand is high enough and the restaurant is able to locate a vendor to produce the right product, “we’d bring it back with great fanfare.”

The Varsity, which turns 92 in August, has locations in Kennesaw, Athens, Norcross and Dawsonville, as well as two counters at Hartsfield-Jackson International Airport, in addition to the flagship Midtown location.

The restaurant ceased dine-in service and inside counter service at most locations in March after the coronavirus took hold in the U.S..

The chain still offers drive-through service, and the Midtown location has carry-out counter service on a limited basis.

Weiser said there are no immediate plans to reopen dining rooms.

“We want to wait to open when all restrictions have been lifted,” she said. “We’re waiting to see how everything plays out.”

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