diff --git a/packages/next/src/client/components/router-reducer/reducers/server-action-reducer.ts b/packages/next/src/client/components/router-reducer/reducers/server-action-reducer.ts
index f97afde674f96d..1f52c038bf29bb 100644
--- a/packages/next/src/client/components/router-reducer/reducers/server-action-reducer.ts
+++ b/packages/next/src/client/components/router-reducer/reducers/server-action-reducer.ts
@@ -76,7 +76,13 @@ async function fetchServerAction(
 ): Promise<FetchServerActionResult> {
   const temporaryReferences = createTemporaryReferenceSet()
   const info = extractInfoFromServerReferenceId(actionId)
-  const usedArgs = omitUnusedArgs(actionArgs, info)
+
+  // TODO: Currently, we're only omitting unused args for the experimental "use
+  // cache" functions. Once the server reference info byte feature is stable, we
+  // should apply this to server actions as well.
+  const usedArgs =
+    info.type === 'use-cache' ? omitUnusedArgs(actionArgs, info) : actionArgs
+
   const body = await encodeReply(usedArgs, { temporaryReferences })
 
   const res = await fetch('', {