diff --git a/commit_text b/commit_text
index 38e6e54..579abf1 100644
--- a/commit_text
+++ b/commit_text
@@ -1 +1 @@
-Nixos label fixing regex, fixes #10
+Set up nh as nixos module instead of simple program
diff --git a/configuration.nix b/configuration.nix
index 1adf2a4..fe39a3c 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -62,8 +62,6 @@ let
     nixos-shell
     python3
 
-    nh
-
     haskell.compiler.ghcHEAD
     dotnet-sdk_9
     netcoredbg
@@ -122,9 +120,12 @@ in
     "flakes"
   ];
   nix.settings.auto-optimise-store = true;
-  nix.gc = {
-    automatic = true;
-    options = "--delete-older-than 14d";
+
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 7d --keep 5";
+    flake = "/home/esvagy/nixos";
   };
 
   # Bootloader.