diff --git a/ops/nixos/howl/default.nix b/ops/nixos/howl/default.nix
index 90012f8755..8af8dd638c 100644
--- a/ops/nixos/howl/default.nix
+++ b/ops/nixos/howl/default.nix
@@ -191,8 +191,6 @@ in {
   # Enable Thunderbolt device management.
   services.hardware.bolt.enable = true;
 
-  services.avahi.enable = true;
-
   hardware.bluetooth = {
     enable = true;
   };
diff --git a/ops/nixos/porcorosso/default.nix b/ops/nixos/porcorosso/default.nix
index 033ff29a2e..20f795ae3f 100644
--- a/ops/nixos/porcorosso/default.nix
+++ b/ops/nixos/porcorosso/default.nix
@@ -311,8 +311,6 @@ in {
     host  all all ::1/128      trust
   '';
 
-  services.avahi.enable = true;
-
   nix.buildMachines = [ {
     hostName = "totoro";
     system = "x86_64-linux";