diff --git a/sdk/hdinsight/arm-hdinsight/src/models/index.ts b/sdk/hdinsight/arm-hdinsight/src/models/index.ts
index 80303444b208..f5a9f336792f 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/index.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/index.ts
@@ -423,10 +423,6 @@ export interface DiskEncryptionProperties {
    * Resource ID of Managed Identity that is used to access the key vault.
    */
   msiResourceId?: string;
-  /**
-   * Indicates whether or not resource disk encryption is enabled. Default value: false.
-   */
-  encryptionAtHost?: boolean;
 }
 
 /**
diff --git a/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts b/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
index 7203825e0563..958c2d47b7ce 100644
--- a/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
+++ b/sdk/hdinsight/arm-hdinsight/src/models/mappers.ts
@@ -722,13 +722,6 @@ export const DiskEncryptionProperties: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
-      },
-      encryptionAtHost: {
-        serializedName: "encryptionAtHost",
-        defaultValue: false,
-        type: {
-          name: "Boolean"
-        }
       }
     }
   }