diff --git a/nixos/common.nix b/nixos/common.nix
index ccb544e..d87f920 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -6,6 +6,7 @@
     extraOptions = ''
       experimental-features = nix-command flakes
     '';
+    optimise.automatic = true;
   };
 
   # boot.binfmt.emulatedSystems = [ "aarch64-linux" "qemu-aarch64" ];
@@ -273,7 +274,6 @@
         "/etc/ssh/ssh_host_ed25519_key.pub"
         "/etc/ssh/ssh_host_rsa_key"
         "/etc/ssh/ssh_host_rsa_key.pub"
-        "/etc/wireguard/wg0"
       ];
     };
     "/persist/user" = {
@@ -281,6 +281,7 @@
         "/etc/NetworkManager/system-connections"
         "/etc/nixos"
         "/var/lib/libvirt"
+        "/etc/wireguard"
       ];
     };
   };