diff --git a/angular_components/lib/model/selection/selection_options.dart b/angular_components/lib/model/selection/selection_options.dart
index 94b61ac1..61bee41a 100644
--- a/angular_components/lib/model/selection/selection_options.dart
+++ b/angular_components/lib/model/selection/selection_options.dart
@@ -9,6 +9,7 @@ import 'dart:async';
 import 'package:angular_components/model/collection/labeled_list.dart';
 import 'package:angular_components/model/observable/observable.dart';
 import 'package:angular_components/utils/disposer/disposer.dart';
+import 'package:meta/meta.dart';
 
 export 'package:angular_components/src/model/selection/delegating_selection_options.dart';
 
@@ -144,6 +145,7 @@ class SelectionOptions<T> extends GroupedOptions<T>
     optionGroups = newOptions;
   }
 
+  @mustCallSuper
   @override
   void dispose() {
     _controller.close();
diff --git a/angular_components/lib/src/model/selection/stream_selection_options_impl.dart b/angular_components/lib/src/model/selection/stream_selection_options_impl.dart
index bb1f884d..88b50eba 100644
--- a/angular_components/lib/src/model/selection/stream_selection_options_impl.dart
+++ b/angular_components/lib/src/model/selection/stream_selection_options_impl.dart
@@ -14,5 +14,6 @@ class _StreamSelectionOptions<T> extends SelectionOptions<T> {
   @override
   void dispose() {
     _streamSub?.cancel();
+    super.dispose();
   }
 }