diff --git a/hosts/battleship/configuration.nix b/hosts/battleship/configuration.nix
index d9e160d..fc653ab 100644
--- a/hosts/battleship/configuration.nix
+++ b/hosts/battleship/configuration.nix
@@ -118,6 +118,11 @@
     trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
   };
   nix.package = pkgs.nixVersions.nix_2_21;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 10d";
+  };
 
   programs.nix-ld.enable = true;
   programs.nix-ld.libraries = with pkgs; [];
diff --git a/hosts/cruiser/configuration.nix b/hosts/cruiser/configuration.nix
index cc15d76..070d0f6 100644
--- a/hosts/cruiser/configuration.nix
+++ b/hosts/cruiser/configuration.nix
@@ -75,6 +75,11 @@
 
   nix.settings.experimental-features = ["nix-command" "flakes"];
   nix.package = pkgs.nixVersions.nix_2_21;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 10d";
+  };
 
   programs.nix-ld.enable = true;
   programs.nix-ld.libraries = with pkgs; [];
diff --git a/hosts/fighter/configuration.nix b/hosts/fighter/configuration.nix
index db47621..b7ae9b6 100644
--- a/hosts/fighter/configuration.nix
+++ b/hosts/fighter/configuration.nix
@@ -95,6 +95,11 @@
     # trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
   };
   nix.package = pkgs.nixVersions.nix_2_21;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 10d";
+  };
 
   services.logind = {
     lidSwitch = "suspend";