diff --git a/tools/depotfmt.nix b/tools/depotfmt.nix
index 44cad1cfa..062b82619 100644
--- a/tools/depotfmt.nix
+++ b/tools/depotfmt.nix
@@ -18,7 +18,6 @@ let
 
     [formatter.rust]
     command = "${pkgs.rustfmt}/bin/rustfmt"
-    options = ["--edition", "2021"]
     includes = [ "*.rs" ]
 
     [formatter.editorconfig]