diff --git a/pkgs/development/python-modules/whichcraft/default.nix b/pkgs/development/python-modules/whichcraft/default.nix
index a8e78bc8ab45..407c431512af 100644
--- a/pkgs/development/python-modules/whichcraft/default.nix
+++ b/pkgs/development/python-modules/whichcraft/default.nix
@@ -3,7 +3,6 @@
   buildPythonPackage,
   fetchPypi,
   pytest,
-  glibcLocales,
 }:
 
 buildPythonPackage (finalAttrs: {
@@ -16,9 +15,6 @@ buildPythonPackage (finalAttrs: {
     sha256 = "11yfkzyplizdgndy34vyd5qlmr1n5mxis3a3svxmx8fnccdvknxc";
   };
 
-  env.LC_ALL = "en_US.utf-8";
-  buildInputs = [ glibcLocales ];
-
   nativeCheckInputs = [ pytest ];
 
   checkPhase = ''