diff --git a/config/profiles/builder.nix b/config/profiles/builder.nix
index 938c684..8408085 100644
--- a/config/profiles/builder.nix
+++ b/config/profiles/builder.nix
@@ -3,7 +3,7 @@
   nix.gc.options = lib.mkForce "--delete-older-than 60d";
   nix.settings = {
     trusted-users = [ "build" ];
-    #system-features = [ "nixos-test" "benchmark" "big-parallel" "kvm" ] ++ lib.optionals pkgs.hostPlatform.isx86_64 [ "gccarch-x86-64-v3" ];
+    system-features = [ "nixos-test" "benchmark" "big-parallel" "kvm" ] ++ lib.optionals pkgs.hostPlatform.isx86_64 [ "gccarch-x86-64-v3" ];
   };
   nix.extraOptions = ''
     min-free = ${builtins.toString (4096 * 1024 * 1024)}