diff --git a/machines/core/nix.nix b/machines/core/nix.nix
index 6db75a1..540e360 100644
--- a/machines/core/nix.nix
+++ b/machines/core/nix.nix
@@ -39,7 +39,6 @@
     nix-prefetch
     nix-update
     nixfmt-rfc-style
-    nixpkgs-fmt
     nixpkgs-hammering
     nixpkgs-review
   ];