diff --git a/lib/main.dart b/lib/main.dart
index bf6bcbb3..54bb6db8 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -23,7 +23,6 @@ final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 
 Future<void> initializeApp() async {
   WidgetsFlutterBinding.ensureInitialized();
-  DatabaseHelper().deleteDatabaseDB();
   await DatabaseHelper().database;
 
   final status = await AppTrackingTransparency.requestTrackingAuthorization();
diff --git a/lib/shared/helpers/db_helper.dart b/lib/shared/helpers/db_helper.dart
index 6840be44..3e82a013 100644
--- a/lib/shared/helpers/db_helper.dart
+++ b/lib/shared/helpers/db_helper.dart
@@ -57,7 +57,7 @@ class DatabaseHelper {
     log('Creating tables...');
     await db.execute('''
       CREATE TABLE ${DatabaseConfig.tableKeychain} (
-        ${DatabaseConfig.columnKey} TEXT,
+        ${DatabaseConfig.columnKey} TEXT UNIQUE,
         ${DatabaseConfig.columnValue} TEXT,
         ${DatabaseConfig.columnType} TEXT,
         ${DatabaseConfig.columnUpdateAt} TEXT,