diff --git a/tests/test_document_logging_callback.py b/tests/test_document_logging_callback.py
index ab28653..cd697d8 100644
--- a/tests/test_document_logging_callback.py
+++ b/tests/test_document_logging_callback.py
@@ -10,7 +10,6 @@
 
 def test_run_engine_logs_all_documents(RE):
     m = mock_open()
-    filepath: str
     log_location = Path("C:\\") / "instrument" / "var" / "logs" / "bluesky" / "raw_documents"
 
     def basic_plan() -> Generator[Msg, None, None]: