diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
index 601ead626005..004c91f93cfc 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
@@ -39,7 +39,6 @@ let
 
   mozillaPlatforms = {
     x86_64-linux = "linux-x86_64";
-    # bundles are universal and can be re-used for both darwin architectures
     aarch64-darwin = "mac";
   };