diff --git a/tests/fetchers/async/test_requests_session.py b/tests/fetchers/async/test_requests_session.py
index c9abc9c..c4e1355 100644
--- a/tests/fetchers/async/test_requests_session.py
+++ b/tests/fetchers/async/test_requests_session.py
@@ -14,4 +14,3 @@ class TestFetcherSession:
         # Should not have context manager methods
         assert client.__aenter__ is None
         assert client.__aexit__ is None
-        assert client._async_curl_session is True  # Special marker