diff --git a/tests/worker/test_workflow.py b/tests/worker/test_workflow.py
index d751fdb8b..cb10477e5 100644
--- a/tests/worker/test_workflow.py
+++ b/tests/worker/test_workflow.py
@@ -9749,7 +9749,6 @@ async def test_activity_failure_with_encoded_payload_is_decoded_in_workflow(
             WorkflowWithFailingActivityAndCodec.run,
             id=f"workflow-{uuid.uuid4()}",
             task_queue=worker.task_queue,
-            run_timeout=timedelta(seconds=5),
         )
         assert result == "Handled encrypted failure successfully"