diff --git a/nix/configuration.nix b/nix/configuration.nix
index 0899806..1ee6ecb 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -98,6 +98,8 @@
     pkgs.i2c-tools
   ];
 
+  documentation.nixos.enable = false; # Reduces closure size and build time.
+
   users.users."root".initialPassword = "";
   system.stateVersion = "24.05";
 }