diff --git a/server/index.ts b/server/index.ts
index 0a701ba..e4a648e 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -64,7 +64,7 @@ if (isProduction) {
   app.use(express.static(clientPath));
   
   // SPA fallback
-  app.get('*', (req, res) => {
+  app.get('*', (_req, res) => {
     res.sendFile(path.join(clientPath, 'index.html'));
   });
 }
diff --git a/server/routes/admin.ts b/server/routes/admin.ts
index 9e813f8..30d28a7 100644
--- a/server/routes/admin.ts
+++ b/server/routes/admin.ts
@@ -10,7 +10,7 @@ const router = Router();
 router.use(requireAuth);
 
 // Get all questionnaires
-router.get('/questionnaires', (req: Request, res: Response) => {
+router.get('/questionnaires', (_req: Request, res: Response) => {
   const questionnaires = questionnaireOps.getAll();
   res.json(questionnaires);
 });
@@ -207,7 +207,7 @@ router.delete('/activities/:id', (req: Request, res: Response) => {
 });
 
 // Get all users
-router.get('/users', (req: Request, res: Response) => {
+router.get('/users', (_req: Request, res: Response) => {
   const users = userOps.getAll();
   res.json(users);
 });
diff --git a/server/routes/questionnaire.ts b/server/routes/questionnaire.ts
index a7117cb..fb2fe1c 100644
--- a/server/routes/questionnaire.ts
+++ b/server/routes/questionnaire.ts
@@ -125,7 +125,7 @@ router.post('/:slug/set-name', (req: Request, res: Response) => {
 });
 
 // Clear visitor name
-router.post('/:slug/clear-name', (req: Request, res: Response) => {
+router.post('/:slug/clear-name', (_req: Request, res: Response) => {
   res.clearCookie('visitorName');
   res.clearCookie('participantToken');
   res.json({ success: true });
diff --git a/src/components/AdminLayout.tsx b/src/components/AdminLayout.tsx
index 906ac01..b3f301b 100644
--- a/src/components/AdminLayout.tsx
+++ b/src/components/AdminLayout.tsx
@@ -2,7 +2,7 @@ import { Link, Outlet, useNavigate } from 'react-router-dom'
 import { useAuth } from '../context/AuthContext'
 
 export function AdminLayout() {
-  const { user, logout } = useAuth()
+  const { logout } = useAuth()
   const navigate = useNavigate()
 
   async function handleLogout() {