diff --git a/pkgs/development/python-modules/pathlib2/default.nix b/pkgs/development/python-modules/pathlib2/default.nix
index 7ba0966de025..412186e6075b 100644
--- a/pkgs/development/python-modules/pathlib2/default.nix
+++ b/pkgs/development/python-modules/pathlib2/default.nix
@@ -22,7 +22,6 @@ if !(pythonOlder "3.4") then null else buildPythonPackage rec {
 
   preCheck = ''
     export LC_ALL="en_US.UTF-8"
-    sed -i test_pathlib2.py -e "s@hasattr(pwd, 'getpwall')@False@"
   '';
 
   meta = {