diff --git a/pkgs/development/python-modules/ppft/default.nix b/pkgs/development/python-modules/ppft/default.nix
index 5beed26cb20..101c10b1d12 100644
--- a/pkgs/development/python-modules/ppft/default.nix
+++ b/pkgs/development/python-modules/ppft/default.nix
@@ -13,12 +13,11 @@ buildPythonPackage rec {
     sha256 = "9e2173042edd5cc9c7bee0d7731873f17fcdce0e42e4b7ab68857d0de7b631fc";
   };
 
-  checkPhase = ''
-    python -m ppft.tests
-  '';
-
   propagatedBuildInputs = [ six ];
 
+  # tests no longer packages on pypi
+  doCheck = false;
+
   meta = with stdenv.lib; {
     description = "Distributed and parallel python";
     homepage = https://github.com/uqfoundation;