diff --git a/angel_orm/lib/src/util.dart b/angel_orm/lib/src/util.dart
index cbe814ce..c6dee3ce 100644
--- a/angel_orm/lib/src/util.dart
+++ b/angel_orm/lib/src/util.dart
@@ -1,8 +1,5 @@
-import 'dart:async';
 import 'package:charcode/ascii.dart';
-import 'annotations.dart';
 import 'builder.dart';
-import 'query_base.dart';
 
 bool isAscii(int ch) => ch >= $nul && ch <= $del;