diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index 5b7fa5d2b98..8e5bb69a406 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -44,7 +44,7 @@
       vsftpd = 7;
       ftp = 8;
       bitlbee = 9;
-      avahi = 10;
+      #avahi = 10; # removed 2019-05-22
       nagios = 11;
       atd = 12;
       postfix = 13;
@@ -358,7 +358,7 @@
       vsftpd = 7;
       ftp = 8;
       bitlbee = 9;
-      avahi = 10;
+      #avahi = 10; # removed 2019-05-22
       #nagios = 11; # unused
       atd = 12;
       postfix = 13;