diff --git a/apps/cs/src/shared/config/env.ts b/apps/cs/src/shared/config/env.ts
index 38f288fcf..5e1392b4d 100644
--- a/apps/cs/src/shared/config/env.ts
+++ b/apps/cs/src/shared/config/env.ts
@@ -11,5 +11,4 @@ export const ACCESS_TOKEN =
 export const REFRESH_TOKEN =
   process.env.NEXT_PUBLIC_REFRESH_TOKEN || "refresh-token";
 export const AUTH_USER_ID = process.env.NEXT_PUBLIC_AUTH_USER_ID || "token-id";
-export const COOKIE_DOMAIN =
-  process.env.NEXT_PUBLIC_COOKIE_DOMAIN || "dev.onasys.co.kr";
+export const COOKIE_DOMAIN = process.env.NEXT_PUBLIC_COOKIE_DOMAIN;