diff --git a/lib/liblinphone_flutter.dart b/lib/liblinphone_flutter.dart
index 22d7366..4723b8f 100644
--- a/lib/liblinphone_flutter.dart
+++ b/lib/liblinphone_flutter.dart
@@ -88,6 +88,6 @@ class LiblinphoneFlutter {
   Future<bool> sendDtmf(String tone) async =>
       LiblinphoneFlutterPlatform.instance.sendDtmf(tone);
 
-  Future<bool> stopCallService(String tone) async =>
+  Future<bool> stopCallService() async =>
       LiblinphoneFlutterPlatform.instance.stopCallService();
 }