diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 778890a9f3e..8095760cd30 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -109,13 +109,11 @@ env:
   ENV_POLLUTING_TESTS_LINUX: >-
     test.test_multiprocessing_fork.test_processes
     test.test_multiprocessing_forkserver.test_processes
-    test.test_multiprocessing_forkserver.test_threads
     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
-    test.test_multiprocessing_spawn.test_threads
   ENV_POLLUTING_TESTS_WINDOWS: >-
   # Python version targeted by the CI.
   PYTHON_VERSION: "3.13.1"