```dart
import 'package:dart_appwrite/dart_appwrite.dart';
import 'package:dart_appwrite/enums.dart' as enums;

Client client = Client()
    .setEndpoint('https://<REGION>.cloud.appwrite.io/v1') // Your API Endpoint
    .setProject('<YOUR_PROJECT_ID>') // Your project ID
    .setKey('<YOUR_API_KEY>'); // Your secret API key

Users users = Users(client);

await users.deleteMFAAuthenticator(
    userId: '<USER_ID>',
    type: enums.AuthenticatorType.totp,
);
```