diff --git a/workstation/default.nix b/workstation/default.nix
index 68f67c1..e919dda 100644
--- a/workstation/default.nix
+++ b/workstation/default.nix
@@ -10,7 +10,18 @@ let
   python-with-my-packages = pkgs.python3Full.withPackages my-python-packages;
 in
 {
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix = {
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      warn-dirty = false;
+      auto-optimise-store = true;
+      trusted-users = [ "root" "don" ];
+    };
+    gc = {
+      automatic = true;
+      options = "-d";
+    };
+  };
   imports = 
     [
       ./detect-reboot-needed.nix
@@ -242,10 +253,6 @@ in
       };
     };
   };
-  nix.gc = {
-    automatic = true;
-    options = "-d";
-  };
   xdg.mime.enable = true;
   xdg.mime.defaultApplications = {
     "text/html" = "org.qutebrowser.qutebrowser.desktop";