1 files changed, 5 insertions, 0 deletions

diff --git a/hosts/surtr/default.nix b/hosts/surtr/default.nix
index 828f3361..85723005 100644
--- a/hosts/surtr/default.nix
+++ b/hosts/surtr/default.nix
@@ -89,5 +89,10 @@
     security.sudo.extraConfig = ''
       Defaults lecture = never
     '';
+
+    nix.gc = {
+      automatic = true;
+      options = "--delete-older-than 30d";
+    };
   };
 }