diff --git a/lib/baseSystem.nix b/lib/baseSystem.nix
index 1726099..583fce2 100644
--- a/lib/baseSystem.nix
+++ b/lib/baseSystem.nix
@@ -163,7 +163,7 @@ in {
   nix = {
     package = pkgs.nixUnstable;
     extraOptions = ''
-      experimental-features = nix-command flakes ca-references
+      experimental-features = nix-command flakes
     '';
     registry = {
       nixpkgs.flake = inputs.nixpkgs;