diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
index 0e3c6a46d44c..d2ce92b8f235 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
@@ -56,7 +56,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -71,45 +71,6 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/providers/Microsoft.DeviceUpdate/accounts/{accountName}/instances": {
-      "get": {
-        "description": "Returns instances for the given account name.",
-        "operationId": "Instances_ListBySubscription",
-        "parameters": [
-          {
-            "$ref": "#/parameters/ApiVersionParameter"
-          },
-          {
-            "$ref": "#/parameters/SubscriptionIdParameter"
-          },
-          {
-            "$ref": "#/parameters/AccountNameParameter"
-          }
-        ],
-        "responses": {
-          "200": {
-            "description": "List of Instances.",
-            "schema": {
-              "$ref": "#/definitions/InstanceList"
-            }
-          },
-          "default": {
-            "description": "Error response describing the reason for operation failure.",
-            "schema": {
-              "$ref": "#/definitions/ErrorResponse"
-            }
-          }
-        },
-        "x-ms-pageable": {
-          "nextLinkName": "nextLink"
-        },
-        "x-ms-examples": {
-          "Get list of Instances by Account": {
-            "$ref": "./examples/Instances/Instances_ListByAccount.json"
-          }
-        }
-      }
-    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DeviceUpdate/accounts": {
       "get": {
         "description": "Returns list of Accounts.",
@@ -135,7 +96,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -178,7 +139,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -228,7 +189,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -272,7 +233,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -318,7 +279,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -361,7 +322,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -406,7 +367,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -459,7 +420,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -506,7 +467,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -555,7 +516,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -585,7 +546,7 @@
           "default": {
             "description": "Error response describing the reason for operation failure.",
             "schema": {
-              "$ref": "#/definitions/ErrorResponse"
+              "$ref": "#/definitions/ErrorDefinition"
             }
           }
         },
@@ -746,43 +707,16 @@
         "resourceId"
       ]
     },
-    "ErrorResponse": {
+    "ErrorDefinition": {
       "description": "Error response indicates that the service is not able to process the incoming request.",
       "properties": {
-        "code": {
-          "description": "Error status code.",
-          "type": "string",
-          "readOnly": true
-        },
         "error": {
-          "$ref": "#/definitions/ErrorDefinition",
+          "$ref": "../../../../../common-types/resource-management/v1/types.json#/definitions/ErrorResponse",
           "description": "Error details.",
           "readOnly": true
         }
       }
     },
-    "ErrorDefinition": {
-      "description": "Error definition.",
-      "properties": {
-        "code": {
-          "description": "Error status code.",
-          "type": "string",
-          "readOnly": true
-        },
-        "message": {
-          "description": "Error message.",
-          "type": "string",
-          "readOnly": true
-        },
-        "details": {
-          "description": "Error details.",
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/ErrorDefinition"
-          }
-        }
-      }
-    },
     "AccountUpdate": {
       "description": "Request payload used to update and existing Accounts.",
       "properties": {
diff --git a/specification/deviceupdate/resource-manager/readme.go.md b/specification/deviceupdate/resource-manager/readme.go.md
index 1cd6ddaed47b..0690dd2d89ee 100644
--- a/specification/deviceupdate/resource-manager/readme.go.md
+++ b/specification/deviceupdate/resource-manager/readme.go.md
@@ -4,7 +4,7 @@ These settings apply only when `--go` is specified on the command line.
 
 ```yaml $(go)
 go:
-  license-header: MICROSOFT_MIT_NO_VERSION
+  license-header: MICROSOFT_APACHE_NO_VERSION
   clear-output-folder: true
 ```