diff --git a/flake.nix b/flake.nix
index f14fc8a..e00a5f6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Timo's Shared Nix Modules";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
   };
 
   outputs = { self, nixpkgs, ... }: {
diff --git a/system/linux/system.nix b/system/linux/system.nix
index 90cfa32..1db2bb4 100644
--- a/system/linux/system.nix
+++ b/system/linux/system.nix
@@ -17,9 +17,4 @@
   security.pam.loginLimits = [
     { domain = "*"; item = "core"; type = "hard"; value = "0"; }
   ];
-
-  # Don't shutdown when power button is short-pressed.
-  services.logind.extraConfig = ''
-    HandlePowerKey=ignore
-  '';
 }