diff --git a/hosts/kim/default.nix b/hosts/kim/default.nix
index 6e3c3bb..8a021f5 100644
--- a/hosts/kim/default.nix
+++ b/hosts/kim/default.nix
@@ -101,6 +101,12 @@ inputs.nixpkgs.lib.nixosSystem {
           };
         };
       };
+
+      nix.gc = {
+        automatic = true;
+        randomizedDelaySec = "14m";
+        options = "--delete-older-than 10d";
+      };
     }
   ];
 }