diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 99d7a924e8e..2eeff724309 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1603,7 +1603,6 @@ def test_main():
     unit_tests = (ProcessTestCase,
                   POSIXProcessTestCase,
                   Win32ProcessTestCase,
-                  ProcessTestCasePOSIXPurePython,
                   CommandTests,
                   ProcessTestCaseNoPoll,
                   HelperFunctionTests,