diff --git a/src/instana/util/span_utils.py b/src/instana/util/span_utils.py
index 52e8c4d8..0819094f 100644
--- a/src/instana/util/span_utils.py
+++ b/src/instana/util/span_utils.py
@@ -1,7 +1,7 @@
 # (c) Copyright IBM Corp. 2025
 
 
-from typing import Any, Optional
+from typing import Any
 
 from instana.util.config import SPAN_TYPE_TO_CATEGORY