diff --git a/specification/monitor/resource-manager/Microsoft.Insights/preview/2024-10-01-preview/examples/listActionGroups.json b/specification/monitor/resource-manager/Microsoft.Insights/preview/2024-10-01-preview/examples/listActionGroups.json
index 3e6d0d6a2efb..5fc5193587b7 100644
--- a/specification/monitor/resource-manager/Microsoft.Insights/preview/2024-10-01-preview/examples/listActionGroups.json
+++ b/specification/monitor/resource-manager/Microsoft.Insights/preview/2024-10-01-preview/examples/listActionGroups.json
@@ -93,7 +93,6 @@
             "name": "SampleActionGroup2",
             "location": "Global",
             "tags": {},
-            "managedIdentity": "None",
             "properties": {
               "groupShortName": "sample2",
               "enabled": false,