diff --git a/pkgs/by-name/co/cosmic-randr/package.nix b/pkgs/by-name/co/cosmic-randr/package.nix
index 048a22f2a054..667f4b56ab32 100644
--- a/pkgs/by-name/co/cosmic-randr/package.nix
+++ b/pkgs/by-name/co/cosmic-randr/package.nix
@@ -20,10 +20,6 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-XpN9X8CZUGOe6mQhWWQy766gyoiTPObKsv9J8xiDvdA=";
 
-  postPatch = ''
-    substituteInPlace justfile --replace '#!/usr/bin/env' "#!$(command -v env)"
-  '';
-
   nativeBuildInputs = [ just pkg-config ];
   buildInputs = [ wayland ];