diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8095760cd3..b8263026d5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -110,7 +110,6 @@ env:
     test.test_multiprocessing_fork.test_processes
     test.test_multiprocessing_forkserver.test_processes
     test.test_multiprocessing_spawn.test_processes
-    test.test_multiprocessing_spawn.test_threads
   ENV_POLLUTING_TESTS_MACOS: >-
     test.test_multiprocessing_forkserver.test_processes
     test.test_multiprocessing_spawn.test_processes
diff --git a/Lib/test/test_multiprocessing_fork/test_threads.py b/Lib/test/test_multiprocessing_fork/test_threads.py
index b7b519bcb0..1065ebf7fe 100644
--- a/Lib/test/test_multiprocessing_fork/test_threads.py
+++ b/Lib/test/test_multiprocessing_fork/test_threads.py
@@ -5,10 +5,7 @@
 
 import os, sys  # TODO: RUSTPYTHON
 class WithThreadsTestPool(WithThreadsTestPool):  # TODO: RUSTPYTHON
-    @unittest.skipIf(  # TODO: RUSTPYTHON
-        sys.platform == 'linux' and 'RUSTPYTHON_SKIP_ENV_POLLUTERS' in os.environ,  # TODO: RUSTPYTHON
-        'TODO: RUSTPYTHON environment pollution when running rustpython -m test --fail-env-changed due to unknown reason'
-    )  # TODO: RUSTPYTHON
+    @unittest.skip("TODO: RUSTPYTHON; flaky environment pollution when running rustpython -m test --fail-env-changed due to unknown reason")
     def test_terminate(self): super().test_terminate()  # TODO: RUSTPYTHON
 
 class WithThreadsTestManagerRestart(WithThreadsTestManagerRestart):  # TODO: RUSTPYTHON
diff --git a/Lib/test/test_multiprocessing_spawn/test_threads.py b/Lib/test/test_multiprocessing_spawn/test_threads.py
index f6aca3050e..54c52c4188 100644
--- a/Lib/test/test_multiprocessing_spawn/test_threads.py
+++ b/Lib/test/test_multiprocessing_spawn/test_threads.py
@@ -5,10 +5,7 @@
 
 import os, sys  # TODO: RUSTPYTHON
 class WithThreadsTestPool(WithThreadsTestPool):  # TODO: RUSTPYTHON
-    @unittest.skipIf(  # TODO: RUSTPYTHON
-        sys.platform in ('darwin', 'linux') and 'RUSTPYTHON_SKIP_ENV_POLLUTERS' in os.environ,  # TODO: RUSTPYTHON
-        'TODO: RUSTPYTHON environment pollution when running rustpython -m test --fail-env-changed due to unknown reason'
-    )  # TODO: RUSTPYTHON
+    @unittest.skip("TODO: RUSTPYTHON; flaky environment pollution when running rustpython -m test --fail-env-changed due to unknown reason")
     def test_terminate(self): super().test_terminate()  # TODO: RUSTPYTHON
 
 if __name__ == '__main__':