diff --git a/core/ipyflow/tracing/external_calls/base_handlers.py b/core/ipyflow/tracing/external_calls/base_handlers.py
index 5f38e009..c1bb0d37 100644
--- a/core/ipyflow/tracing/external_calls/base_handlers.py
+++ b/core/ipyflow/tracing/external_calls/base_handlers.py
@@ -17,7 +17,6 @@
     cast,
 )
 
-from ipyflow.data_model.timestamp import Timestamp
 from ipyflow.singletons import flow, tracer
 from ipyflow.types import IMMUTABLE_PRIMITIVE_TYPES