diff --git a/sdk/metricsadvisor/azure-ai-metricsadvisor/azure/ai/metricsadvisor/_helpers.py b/sdk/metricsadvisor/azure-ai-metricsadvisor/azure/ai/metricsadvisor/_helpers.py
index e2f3470f2ed4..a0f7fa279392 100644
--- a/sdk/metricsadvisor/azure-ai-metricsadvisor/azure/ai/metricsadvisor/_helpers.py
+++ b/sdk/metricsadvisor/azure-ai-metricsadvisor/azure/ai/metricsadvisor/_helpers.py
@@ -8,7 +8,6 @@
 
 from typing import (
     Union,
-    Optional,
     TYPE_CHECKING
 )
 import datetime