diff --git a/lib/src/repl_adapter/interface.dart b/lib/src/repl_adapter/interface.dart
index c549351..2a191f2 100644
--- a/lib/src/repl_adapter/interface.dart
+++ b/lib/src/repl_adapter/interface.dart
@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import '../../cli_repl.dart';
 
 class ReplAdapter {
diff --git a/lib/src/repl_adapter/vm.dart b/lib/src/repl_adapter/vm.dart
index 4d10e9c..5f5e3a3 100644
--- a/lib/src/repl_adapter/vm.dart
+++ b/lib/src/repl_adapter/vm.dart
@@ -1,4 +1,3 @@
-import 'dart:async';
 import 'dart:io';
 
 import 'package:async/async.dart';