diff --git a/net/dnscache/dnscache.go b/net/dnscache/dnscache.go
index f3fd50fb9..e0d6af4c1 100644
--- a/net/dnscache/dnscache.go
+++ b/net/dnscache/dnscache.go
@@ -1,8 +1,6 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// TODO(bradfitz): update this code to use netaddr more
-
 // Package dnscache contains a minimal DNS cache that makes a bunch of
 // assumptions that are only valid for us. Not recommended for general use.
 package dnscache