diff --git a/unixfs/mod/dagmodifier.go b/unixfs/mod/dagmodifier.go
index c9bb17d35..ee6e3d9c9 100644
--- a/unixfs/mod/dagmodifier.go
+++ b/unixfs/mod/dagmodifier.go
@@ -416,7 +416,6 @@ func dagTruncate(nd *mdag.Node, size uint64, ds mdag.DAGService) (*mdag.Node, er
 				return nil, err
 			}
 
-			// TODO: sanity check size of truncated block
 			ndata.AddBlockSize(size - cur)
 
 			modified = nchild