diff --git a/machines/cadmium/hardware-configuration.nix b/machines/cadmium/hardware-configuration.nix
index 3aa46f7..028d500 100644
--- a/machines/cadmium/hardware-configuration.nix
+++ b/machines/cadmium/hardware-configuration.nix
@@ -1,6 +1,3 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, ... }:
 
 {
diff --git a/machines/hafnium/hardware-configuration.nix b/machines/hafnium/hardware-configuration.nix
index e522cdd..3078b93 100644
--- a/machines/hafnium/hardware-configuration.nix
+++ b/machines/hafnium/hardware-configuration.nix
@@ -1,6 +1,3 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:
 
 {
diff --git a/machines/jalr-t520/hardware-configuration.nix b/machines/jalr-t520/hardware-configuration.nix
index 4b57438..051b2d3 100644
--- a/machines/jalr-t520/hardware-configuration.nix
+++ b/machines/jalr-t520/hardware-configuration.nix
@@ -1,6 +1,3 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, ... }:
 
 {