diff --git a/tests/_test_process_executor.py b/tests/_test_process_executor.py
index 7e8616d5..85c43f0c 100644
--- a/tests/_test_process_executor.py
+++ b/tests/_test_process_executor.py
@@ -1046,7 +1046,7 @@ def _worker_rank(x):
         return dict(pid=os.getpid(), rank=rank, world=world)
 
     @pytest.mark.parametrize('max_workers', [1, 5, 13])
-    @pytest.mark.parametrize('timeout', [None, 0.01, 0])
+    @pytest.mark.parametrize('timeout', [None, 0.01])
     def test_workers_rank(self, max_workers, timeout):
         executor = self.executor_type(max_workers, timeout=timeout)
         results = executor.map(self._worker_rank, range(max_workers * 5))
diff --git a/tests/test_reusable_executor.py b/tests/test_reusable_executor.py
index 0b7df342..f6f5187a 100644
--- a/tests/test_reusable_executor.py
+++ b/tests/test_reusable_executor.py
@@ -585,7 +585,7 @@ def _worker_rank(x):
         rank, world = get_worker_rank()
         return dict(pid=os.getpid(), rank=rank, world=world)
 
-    @pytest.mark.parametrize('timeout', [10, 0])
+    @pytest.mark.parametrize('timeout', [10, 0.01])
     def test_workers_rank_resize(self, timeout):
 
         executor = get_reusable_executor(max_workers=2, timeout=timeout)