diff --git a/scouter/activities/api.py b/scouter/activities/api.py
index 530ff44..60a261e 100644
--- a/scouter/activities/api.py
+++ b/scouter/activities/api.py
@@ -10,7 +10,6 @@ with workflow.unsafe.imports_passed_through():
     from sientia_do.observability.metrics_controller import MetricsController
     from sientia_do.observability.sientia_monitoring import SientiaMonitoring
     from sientia_do.repository.pi_web_api_client import PIWebAPIClient
-    from sientia_do.temporal.constants import DATETIME_FORMAT_WITH_TZ
 
 
 class API(SientiaMonitoring):