diff --git a/lib/api.py b/lib/api.py
index 3a7e5ca..e83a98f 100644
--- a/lib/api.py
+++ b/lib/api.py
@@ -2535,21 +2535,3 @@ def api_metrics_history():
         return jsonify({'type': metric_type, 'hours': hours, 'points': points})
     except Exception as e:
         return jsonify({'type': metric_type, 'hours': hours, 'points': [], 'error': str(e)})
-
-
-# ── Auth state endpoint ─────────────────────────────────────────────────────
-# Returns current auth state for frontend consumption.
-# This endpoint must be behind Caddy forward_auth to receive X-Authentik-* headers.
-@app.route('/api/auth/whoami')
-def api_auth_whoami():
-    """Return auth state for frontend. Behind forward_auth, so headers are present when authenticated."""
-    username = request.headers.get('X-Authentik-Username')
-    if username:
-        return jsonify({
-            'authenticated': True,
-            'username': username,
-        })
-    return jsonify({
-        'authenticated': False,
-        'username': None,
-    })