diff --git a/ts/services/MessageUpdater.ts b/ts/services/MessageUpdater.ts
index f88711b67..bfedd8b45 100644
--- a/ts/services/MessageUpdater.ts
+++ b/ts/services/MessageUpdater.ts
@@ -30,15 +30,3 @@ export function markRead(
 
   return nextMessageAttributes;
 }
-
-export function getExpiresAt(
-  messageAttrs: Pick<
-    MessageAttributesType,
-    'expireTimer' | 'expirationStartTimestamp'
-  >
-): number | undefined {
-  const { expireTimer, expirationStartTimestamp } = messageAttrs;
-  return expirationStartTimestamp && expireTimer
-    ? expirationStartTimestamp + expireTimer * 1000
-    : undefined;
-}