diff --git a/src/osmformat.proto b/src/osmformat.proto
index e9a5b2f..b9bd8b8 100644
--- a/src/osmformat.proto
+++ b/src/osmformat.proto
@@ -175,8 +175,7 @@ message DenseInfo {
 }
 
 
-// THIS IS STUB DESIGN FOR CHANGESETS. NOT USED RIGHT NOW.
-// TODO:    REMOVE THIS?
+// This is kept for backwards compatibility but not used anywhere.
 message ChangeSet {
   required int64 id = 1;
 }