diff --git a/e2e/journeys/j1-registration-login.spec.ts b/e2e/journeys/j1-registration-login.spec.ts
index ec116ab..b1b28a4 100644
--- a/e2e/journeys/j1-registration-login.spec.ts
+++ b/e2e/journeys/j1-registration-login.spec.ts
@@ -10,7 +10,6 @@ test.describe('J1: Registration and Login', () => {
     await page.fill('[placeholder="Password (min. 8 characters)"]', 'TestPass123!');
     await page.click('button[type="submit"]');
 
-    // With VITE_MOCK_AUTH=true the app navigates to "/" on success
     await expect(page).toHaveURL('http://localhost:5173/');
     await expect(page.getByRole('heading', { name: /cart/i })).toBeVisible();
   });
diff --git a/playwright.config.ts b/playwright.config.ts
index b22d74a..a2d7b0b 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -9,7 +9,7 @@ export default defineConfig({
     },
   ],
   webServer: {
-    command: 'VITE_MOCK_AUTH=true npm run dev',
+    command: 'npm run dev',
     url: 'http://localhost:5173',
     reuseExistingServer: !process.env.CI,
   },
diff --git a/src/components/ProtectedRoute.tsx b/src/components/ProtectedRoute.tsx
index cf92831..294ec4f 100644
--- a/src/components/ProtectedRoute.tsx
+++ b/src/components/ProtectedRoute.tsx
@@ -1,25 +1,8 @@
-import { useEffect } from 'react'
 import { Navigate, Outlet } from 'react-router-dom'
 import { authClient } from '../lib/auth-client.ts'
-import { useAuthStore } from '../stores/auth.ts'
 
 export function ProtectedRoute() {
-  const isMockAuth = import.meta.env.VITE_MOCK_AUTH === 'true'
   const { data: session, isPending } = authClient.useSession()
-  const isAuthenticated = useAuthStore((s) => s.isAuthenticated)
-  const setAuthenticated = useAuthStore((s) => s.setAuthenticated)
-
-  useEffect(() => {
-    if (!isMockAuth) {
-      setAuthenticated(!!session)
-    }
-  }, [session, setAuthenticated, isMockAuth])
-
-  // In mock auth mode, rely on Zustand store (set by Login/Register pages)
-  if (isMockAuth) {
-    if (!isAuthenticated) return <Navigate to="/login" replace />
-    return <Outlet />
-  }
 
   if (isPending) {
     return (
diff --git a/src/pages/Login.tsx b/src/pages/Login.tsx
index ae7fc0c..5044613 100644
--- a/src/pages/Login.tsx
+++ b/src/pages/Login.tsx
@@ -1,7 +1,6 @@
 import { useState } from 'react'
 import { Link, useNavigate } from 'react-router-dom'
 import { authClient } from '../lib/auth-client.ts'
-import { useAuthStore } from '../stores/auth.ts'
 
 export function Login() {
   const [email, setEmail] = useState('')
@@ -9,7 +8,6 @@ export function Login() {
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(false)
   const navigate = useNavigate()
-  const setAuthenticated = useAuthStore((s) => s.setAuthenticated)
 
   async function handleSubmit(e: React.FormEvent) {
     e.preventDefault()
@@ -40,12 +38,7 @@ export function Login() {
         setError('Sign in failed. Please try again.')
       }
     } catch {
-      if (import.meta.env.VITE_MOCK_AUTH === 'true') {
-        setAuthenticated(true)
-        navigate('/')
-      } else {
-        setError('Invalid email or password. Please try again.')
-      }
+      setError('Invalid email or password. Please try again.')
     } finally {
       setLoading(false)
     }
diff --git a/src/pages/Register.tsx b/src/pages/Register.tsx
index c75e2d6..960aa0a 100644
--- a/src/pages/Register.tsx
+++ b/src/pages/Register.tsx
@@ -1,7 +1,6 @@
 import { useState } from 'react'
 import { Link, useNavigate } from 'react-router-dom'
 import { authClient } from '../lib/auth-client.ts'
-import { useAuthStore } from '../stores/auth.ts'
 
 export function Register() {
   const [name, setName] = useState('')
@@ -10,7 +9,6 @@ export function Register() {
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(false)
   const navigate = useNavigate()
-  const setAuthenticated = useAuthStore((s) => s.setAuthenticated)
 
   async function handleSubmit(e: React.FormEvent) {
     e.preventDefault()
@@ -48,12 +46,7 @@ export function Register() {
         setError('Account created! Please sign in.')
       }
     } catch {
-      if (import.meta.env.VITE_MOCK_AUTH === 'true') {
-        setAuthenticated(true)
-        navigate('/')
-      } else {
-        setError('Registration failed. Please try again.')
-      }
+      setError('Registration failed. Please try again.')
     } finally {
       setLoading(false)
     }