diff --git a/treefmt.nix b/treefmt.nix
index 69faed4..558a8e8 100644
--- a/treefmt.nix
+++ b/treefmt.nix
@@ -1,6 +1,5 @@
 { pkgs, ... }:
 {
-  projectRootFile = "flake.nix";
   programs = {
     nixfmt.enable = true;
     gofmt.enable = true;