diff --git a/packages/functions/src/api/index.ts b/packages/functions/src/api/index.ts
index b3ce3cad..5509bccc 100644
--- a/packages/functions/src/api/index.ts
+++ b/packages/functions/src/api/index.ts
@@ -18,7 +18,6 @@ patchLogger();
 export const app = new Hono();
 app
     .use(logger())
-    .use(cors())
     .use(async (c, next) => {
         c.header("Cache-Control", "no-store");
         return next();