diff --git a/configuration.nix b/configuration.nix
index 44cb5c7..9c9ee1c 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -99,6 +99,15 @@
     8080
   ];
 
+  # reducing disk usage
+  boot.loader.systemd-boot.configurationLimit = 10;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 1w";
+  };
+  nix.settings.auto-optimise-store = true;
+
   # Copy the NixOS configuration file and link it from the resulting system
   # (/run/current-system/configuration.nix). This is useful in case you
   # accidentally delete configuration.nix.