diff --git a/pkgs/development/python-modules/rx/default.nix b/pkgs/development/python-modules/rx/default.nix
index f7858037dfda..5eeadcdd6244 100644
--- a/pkgs/development/python-modules/rx/default.nix
+++ b/pkgs/development/python-modules/rx/default.nix
@@ -3,7 +3,6 @@
   fetchPypi,
   buildPythonPackage,
   pythonOlder,
-  nose,
 }:
 
 buildPythonPackage rec {
@@ -20,8 +19,6 @@ buildPythonPackage rec {
     sha256 = "b657ca2b45aa485da2f7dcfd09fac2e554f7ac51ff3c2f8f2ff962ecd963d91c";
   };
 
-  nativeCheckInputs = [ nose ];
-
   doCheck = false; # PyPI tarball does not provides tests
 
   pythonImportsCheck = [ "rx" ];