diff --git a/lib/model/source/collection_source.dart b/lib/model/source/collection_source.dart
index ab4e099c7..d24abbf8b 100644
--- a/lib/model/source/collection_source.dart
+++ b/lib/model/source/collection_source.dart
@@ -43,15 +43,13 @@ abstract class CollectionSource with SourceBase, AlbumMixin, LocationMixin, TagM
 
   final Set<AvesEntry> _rawEntries = {};
 
-  // TODO TLAD use `Set.unmodifiable()` when possible
-  Set<AvesEntry> get allEntries => Set.of(_rawEntries);
+  Set<AvesEntry> get allEntries => Set.unmodifiable(_rawEntries);
 
   Set<AvesEntry>? _visibleEntries;
 
   @override
   Set<AvesEntry> get visibleEntries {
-    // TODO TLAD use `Set.unmodifiable()` when possible
-    _visibleEntries ??= Set.of(_applyHiddenFilters(_rawEntries));
+    _visibleEntries ??= Set.unmodifiable(_applyHiddenFilters(_rawEntries));
     return _visibleEntries!;
   }
 
diff --git a/lib/widgets/common/grid/header.dart b/lib/widgets/common/grid/header.dart
index 37ac83dd4..ed4b1fd3d 100644
--- a/lib/widgets/common/grid/header.dart
+++ b/lib/widgets/common/grid/header.dart
@@ -87,7 +87,7 @@ class SectionHeader extends StatelessWidget {
     }
   }
 
-  // TODO TLAD cache header extent computation?
+  // TODO TLAD [perf] cache header extent computation?
   static double getPreferredHeight({
     required BuildContext context,
     required double maxWidth,
diff --git a/test/widget_test.dart b/test/widget_test.dart
index db070e29b..df774cab7 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -2,7 +2,7 @@ import 'package:aves/widgets/aves_app.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
-  testWidgets('TODO TLAD', (tester) async {
+  testWidgets('widget test', (tester) async {
     await tester.pumpWidget(AvesApp());
   });
 }