diff --git a/tests/logging_callback_tests/test_langfuse_dynamic_credentials.py b/tests/logging_callback_tests/test_langfuse_dynamic_credentials.py
index 9f504b9bc5b..d2721be4396 100644
--- a/tests/logging_callback_tests/test_langfuse_dynamic_credentials.py
+++ b/tests/logging_callback_tests/test_langfuse_dynamic_credentials.py
@@ -129,34 +129,26 @@ def test_langfuse_handler_accepts_secret_key_alias(monkeypatch):
     assert captured["cached_logging_obj"] is logger
 
 
-def test_dynamic_langfuse_credentials_are_passed_handles_none(monkeypatch):
+def test_dynamic_langfuse_credentials_are_passed_handles_none():
     """Regression test: _dynamic_langfuse_credentials_are_passed must not crash when standard_callback_dynamic_params is None.
 
     When Langfuse is configured via environment variables (no per-request dynamic params),
     standard_callback_dynamic_params is None, not {}. The function must not raise
     AttributeError: 'NoneType' object has no attribute 'get'.
     """
-    monkeypatch.setenv("LANGFUSE_PUBLIC_KEY", "pk-test")
-    monkeypatch.setenv("LANGFUSE_SECRET_KEY", "sk-test")
-    monkeypatch.setenv("LANGFUSE_HOST", "https://langfuse.example")
-
     # Should return False (no dynamic params passed), not raise AttributeError
     result = LangFuseHandler._dynamic_langfuse_credentials_are_passed(None)
     assert result is False
 
 
-def test_get_dynamic_langfuse_logging_config_handles_none(monkeypatch):
+def test_get_dynamic_langfuse_logging_config_handles_none():
     """Regression test: get_dynamic_langfuse_logging_config must not crash when standard_callback_dynamic_params is None.
 
     When Langfuse is configured via environment variables, standard_callback_dynamic_params is None.
     The function should return a config with None values (relying on env var fallback downstream).
     """
-    monkeypatch.setenv("LANGFUSE_PUBLIC_KEY", "pk-test")
-    monkeypatch.setenv("LANGFUSE_SECRET_KEY", "sk-test")
-    monkeypatch.setenv("LANGFUSE_HOST", "https://langfuse.example")
-
     # Should not raise AttributeError
     config = LangFuseHandler.get_dynamic_langfuse_logging_config(None)
-    assert config["langfuse_public_key"] is None
-    assert config["langfuse_secret"] is None
-    assert config["langfuse_host"] is None
+    assert config.langfuse_public_key is None
+    assert config.langfuse_secret is None
+    assert config.langfuse_host is None