diff --git a/src/adapter/vercel/conninfo.ts b/src/adapter/vercel/conninfo.ts
index 763af117..68d3ac0a 100644
--- a/src/adapter/vercel/conninfo.ts
+++ b/src/adapter/vercel/conninfo.ts
@@ -4,6 +4,5 @@ export const getConnInfo: GetConnInfo = (c) => ({
   remote: {
     // https://github.com/vercel/vercel/blob/b70bfb5fbf28a4650d4042ce68ca5c636d37cf44/packages/edge/src/edge-headers.ts#L10-L12C32
     address: c.req.header('x-real-ip'),
-    addressType: 'unknown',
   },
 })