diff --git a/custom_components/edgeos/component/managers/home_assistant.py b/custom_components/edgeos/component/managers/home_assistant.py
index 40d029b..bcd8b57 100644
--- a/custom_components/edgeos/component/managers/home_assistant.py
+++ b/custom_components/edgeos/component/managers/home_assistant.py
@@ -95,7 +95,6 @@
     INTERFACE_DATA_SPEED,
     INTERFACE_DATA_STP,
     INTERFACE_DATA_UP,
-    LAST_ACTIVITY,
     MESSAGES_COUNTER_SECTION,
     SERVICE_SCHEMA_UPDATE_CONFIGURATION,
     SERVICE_UPDATE_CONFIGURATION,