diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/applications.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/applications.json
index bf8e4d00ffb8..eabeaa6e40f2 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/applications.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2015-03-01-preview/applications.json
@@ -249,9 +249,6 @@
                     "format": "int32",
                     "description": "The public port to connect to."
                 }
-            },
-            "additionalProperties": {
-                "type": "string"
             }
         },
         "ApplicationGetEndpoint": {
@@ -340,10 +337,6 @@
                     "readOnly": true,
                     "type": "string",
                     "description": "The marketplace identifier."
-                },
-                "additionalProperties": {
-                    "description": "The additional properties for application.",
-                    "type": "string"
                 }
             }
         },
diff --git a/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2018-06-01-preview/applications.json b/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2018-06-01-preview/applications.json
index 0f93b242c986..81828bee681f 100644
--- a/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2018-06-01-preview/applications.json
+++ b/specification/hdinsight/resource-manager/Microsoft.HDInsight/preview/2018-06-01-preview/applications.json
@@ -251,9 +251,6 @@
                     "format": "int32",
                     "description": "The public port to connect to."
                 }
-            },
-            "additionalProperties": {
-                "type": "string"
             }
         },
         "ApplicationGetEndpoint": {
@@ -342,10 +339,6 @@
                     "readOnly": true,
                     "type": "string",
                     "description": "The marketplace identifier."
-                },
-                "additionalProperties": {
-                    "description": "The additional properties for application.",
-                    "type": "string"
                 }
             }
         },