diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 40ec8314d9e83..f5eb591525369 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5823,11 +5823,10 @@ in {
 
   pytest-watch = callPackage ../development/python-modules/pytest-watch { };
 
-  pytest_xdist_1 = callPackage ../development/python-modules/pytest-xdist { };
-
-  pytest_xdist_2 = callPackage ../development/python-modules/pytest-xdist/2.nix { };
-
-  pytest_xdist = self.pytest_xdist_2;
+  pytest_xdist = if isPy3k then
+    callPackage ../development/python-modules/pytest-xdist/2.nix { }
+  else
+    callPackage ../development/python-modules/pytest-xdist { };
 
   pytest-xprocess = callPackage ../development/python-modules/pytest-xprocess { };