diff --git a/protobuf/test/coded_buffer_reader_test.dart b/protobuf/test/coded_buffer_reader_test.dart
index 120291512..00a715c04 100644
--- a/protobuf/test/coded_buffer_reader_test.dart
+++ b/protobuf/test/coded_buffer_reader_test.dart
@@ -84,6 +84,10 @@ void main() {
     });
 
     test('unmodifiable-uint8-list-view', () {
+      // TODO: Use `Uint8List.asUnmodifiableView` instead of
+      // `UnmodifiableUint8ListView` when it's available in the oldest
+      // supported SDK version.
+      // ignore: deprecated_member_use
       testWithList(UnmodifiableUint8ListView(Uint8List.fromList(inputBuffer)));
     });