diff --git a/nix/steam_deck/configuration/home.nix b/nix/steam_deck/configuration/home.nix
index 696a772..cbb12f9 100644
--- a/nix/steam_deck/configuration/home.nix
+++ b/nix/steam_deck/configuration/home.nix
@@ -29,6 +29,14 @@
       "flakes"
     ];
   };
+  # Automatic garbage collection
+  nix.gc = {
+    # Runs nix-collect-garbage --delete-older-than 30d
+    automatic = true;
+    randomizedDelaySec = "14m";
+    options = "--delete-older-than 30d";
+  };
+  nix.settings.auto-optimise-store = true;
 
   home.packages = with pkgs; [
     pkgs.nixgl.nixGLIntel