diff --git a/admin-panel/src/views/UserManagement.tsx b/admin-panel/src/views/UserManagement.tsx
index 16ca43e..52b61d4 100644
--- a/admin-panel/src/views/UserManagement.tsx
+++ b/admin-panel/src/views/UserManagement.tsx
@@ -613,7 +613,7 @@ export default function UserManagement() {
 }
 
 function PurgeUsersPanel({ onDone }: { onDone: () => void }) {
-  const [email, setEmail] = useState('hendrik.gebhardt@polizei.nrw.de')
+  const [email, setEmail] = useState('')
   const [busy, setBusy] = useState(false)
   const [msg, setMsg] = useState('')
 
diff --git a/backend/create-test-user.js b/backend/create-test-user.js
index 3a255e7..242f328 100644
--- a/backend/create-test-user.js
+++ b/backend/create-test-user.js
@@ -29,7 +29,7 @@ async function createTestUser() {
   try {
     console.log('\n=== Creating Test User ===\n');
     
-    const email = 'hendrik.gebhardt@polizei.nrw.de';
+    const email = 'test.user@example.com';
     const hashedPassword = await bcryptjs.hash('test123', 10);
     const encryptedEmail = encrypt(email);
     const emailHash = hashEmail(email);
@@ -40,7 +40,7 @@ async function createTestUser() {
       VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
     `).run(
       userId,
-      'hendrik.gebhardt',
+      'test.user',
       encryptedEmail,
       emailHash,
       hashedPassword,
@@ -52,7 +52,7 @@ async function createTestUser() {
     
     console.log('✓ Test user created successfully!');
     console.log('Email:', email);
-    console.log('Username: hendrik.gebhardt');
+    console.log('Username: test.user');
     console.log('Password: test123');
     console.log('Role: user');
     
@@ -69,4 +69,4 @@ async function createTestUser() {
   }
 }
 
-createTestUser();
\ No newline at end of file
+createTestUser();
diff --git a/backend/scripts/purge-users.js b/backend/scripts/purge-users.js
index 5ece0e0..210e745 100644
--- a/backend/scripts/purge-users.js
+++ b/backend/scripts/purge-users.js
@@ -1,7 +1,6 @@
 // Purge users from DB, keeping only 'admin' and a specific email
-// Usage (Windows CMD/PowerShell from backend directory):
-//   npm run purge-users -- --email hendrik.gebhardt@polizei.nrw.de
-// If --email is omitted, defaults to 'hendrik.gebhardt@polizei.nrw.de'
+// Usage (from backend directory):
+//   npm run purge-users -- --email someone@example.com
 
 const path = require('path')
 const fs = require('fs')
@@ -24,7 +23,7 @@ function hashLower(text) {
 function parseEmailArg() {
   const idx = process.argv.indexOf('--email')
   if (idx !== -1 && process.argv[idx + 1]) return process.argv[idx + 1]
-  return 'hendrik.gebhardt@polizei.nrw.de'
+  return null
 }
 
 function backupFile(filePath) {
@@ -43,6 +42,10 @@ function backupFile(filePath) {
 function main() {
   const dbPath = getDbPath()
   const keepEmail = parseEmailArg()
+  if (!keepEmail) {
+    console.error("❌ Bitte E-Mail angeben: --email someone@example.com")
+    process.exit(1)
+  }
   const keepHash = hashLower(keepEmail)
 
   console.log(`Datenbank: ${dbPath}`)