diff --git a/frontend/linktree-frontend/src/app/auth/login/page.tsx b/frontend/linktree-frontend/src/app/auth/login/page.tsx
index 1de474f..1ed8ca9 100644
--- a/frontend/linktree-frontend/src/app/auth/login/page.tsx
+++ b/frontend/linktree-frontend/src/app/auth/login/page.tsx
@@ -23,7 +23,7 @@ export default function LoginPage() {
     setApiError(null)
     try {
       const res = await fetch(
-        `${process.env.NEXT_PUBLIC_API_URL}/api/auth/login/`,
+        `/api/auth/login/`,
         {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
diff --git a/frontend/linktree-frontend/src/app/auth/register/page.tsx b/frontend/linktree-frontend/src/app/auth/register/page.tsx
index 687184a..63219b3 100644
--- a/frontend/linktree-frontend/src/app/auth/register/page.tsx
+++ b/frontend/linktree-frontend/src/app/auth/register/page.tsx
@@ -46,8 +46,7 @@ export default function RegisterPage() {
     }
 
     try {
-      const API = process.env.NEXT_PUBLIC_API_URL || 'https://links.shareon.kr'
-      const response = await fetch(`${API}/api/auth/register/`, {
+      const response = await fetch(`/api/auth/register/`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',