diff --git a/specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/preview/2015-11-01-preview/OperationalInsights.json b/specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/preview/2015-11-01-preview/OperationalInsights.json
index 4d92d3ca149c..cdf16680bba9 100644
--- a/specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/preview/2015-11-01-preview/OperationalInsights.json
+++ b/specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/preview/2015-11-01-preview/OperationalInsights.json
@@ -1272,7 +1272,6 @@
             "Free",
             "Standard",
             "Premium",
-            "Unlimited",
             "PerNode",
             "PerGB2018",
             "Standalone"