diff --git a/shell.nix b/shell.nix
index e6ad57a..d67efc2 100644
--- a/shell.nix
+++ b/shell.nix
@@ -13,6 +13,5 @@ pkgs.mkShell {
     ocamlPackages.ocamlformat
     ocamlPackages.merlin
     ocamlPackages.ocaml-lsp
-    ocamlPackages.fmt
   ];
 }