diff --git a/nixos/programs/nh.nix b/nixos/programs/nh.nix
index 137e3f0..fcd5d7d 100644
--- a/nixos/programs/nh.nix
+++ b/nixos/programs/nh.nix
@@ -4,6 +4,8 @@
   # Cleanup stays on nix.gc (see system/nix.nix) to avoid two GC timers.
   programs.nh = {
     enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 4d --keep 3";
     flake = "/home/prouk/flake";
   };
 }
diff --git a/nixos/system/nix.nix b/nixos/system/nix.nix
index d17247d..3f1464f 100644
--- a/nixos/system/nix.nix
+++ b/nixos/system/nix.nix
@@ -20,11 +20,6 @@
   nixpkgs.config.allowUnfree = true;
 
   # Housekeeping
-  nix.gc = {
-    automatic = true;
-    dates = "weekly";
-    options = "--delete-older-than 14d";
-  };
   nix.optimise.automatic = true;
 
   # Run unpatched dynamic binaries.