diff --git a/lib/services/containerRegistryManagement/lib/models/index.d.ts b/lib/services/containerRegistryManagement/lib/models/index.d.ts
index d1412aa407..d274710765 100644
--- a/lib/services/containerRegistryManagement/lib/models/index.d.ts
+++ b/lib/services/containerRegistryManagement/lib/models/index.d.ts
@@ -228,22 +228,6 @@ export interface Sku {
   readonly tier?: string;
 }
 
-/**
- * @class
- * Initializes a new instance of the RegistryIdentity class.
- * @constructor
- * The identity of the container registry.
- *
- * @member {string} [type] The type of identity used for the registry.
- * @member {string} [principalId] The principal ID of registry identity.
- * @member {string} [tenantId] The tenant ID associated with the registry.
- */
-export interface RegistryIdentity {
-  type?: string;
-  principalId?: string;
-  tenantId?: string;
-}
-
 /**
  * @class
  * Initializes a new instance of the Status class.
@@ -308,12 +292,6 @@ export interface Resource extends BaseResource {
  * 'Standard', 'Premium'
  * @member {string} [sku.tier] The SKU tier based on the SKU name. Possible
  * values include: 'Classic', 'Basic', 'Standard', 'Premium'
- * @member {object} [identity] The identity of the container registry.
- * @member {string} [identity.type] The type of identity used for the registry.
- * @member {string} [identity.principalId] The principal ID of registry
- * identity.
- * @member {string} [identity.tenantId] The tenant ID associated with the
- * registry.
  * @member {string} [loginServer] The URL that can be used to log into the
  * container registry.
  * @member {date} [creationDate] The creation date of the container registry in
@@ -336,7 +314,6 @@ export interface Resource extends BaseResource {
  */
 export interface Registry extends Resource {
   sku: Sku;
-  identity?: RegistryIdentity;
   readonly loginServer?: string;
   readonly creationDate?: Date;
   readonly provisioningState?: string;
@@ -358,12 +335,6 @@ export interface Registry extends Resource {
  * 'Standard', 'Premium'
  * @member {string} [sku.tier] The SKU tier based on the SKU name. Possible
  * values include: 'Classic', 'Basic', 'Standard', 'Premium'
- * @member {object} [identity] The identity of the container registry.
- * @member {string} [identity.type] The type of identity used for the registry.
- * @member {string} [identity.principalId] The principal ID of registry
- * identity.
- * @member {string} [identity.tenantId] The tenant ID associated with the
- * registry.
  * @member {boolean} [adminUserEnabled] The value that indicates whether the
  * admin user is enabled.
  * @member {object} [storageAccount] The parameters of a storage account for
@@ -375,7 +346,6 @@ export interface Registry extends Resource {
 export interface RegistryUpdateParameters {
   tags?: { [propertyName: string]: string };
   sku?: Sku;
-  identity?: RegistryIdentity;
   adminUserEnabled?: boolean;
   storageAccount?: StorageAccountProperties;
 }
diff --git a/lib/services/containerRegistryManagement/lib/models/index.js b/lib/services/containerRegistryManagement/lib/models/index.js
index ab3466aa27..5b0f4c8e2b 100644
--- a/lib/services/containerRegistryManagement/lib/models/index.js
+++ b/lib/services/containerRegistryManagement/lib/models/index.js
@@ -28,7 +28,6 @@ exports.OperationMetricSpecificationDefinition = require('./operationMetricSpeci
 exports.OperationServiceSpecificationDefinition = require('./operationServiceSpecificationDefinition');
 exports.OperationDefinition = require('./operationDefinition');
 exports.Sku = require('./sku');
-exports.RegistryIdentity = require('./registryIdentity');
 exports.Status = require('./status');
 exports.StorageAccountProperties = require('./storageAccountProperties');
 exports.Resource = require('./resource');
diff --git a/lib/services/containerRegistryManagement/lib/models/registry.js b/lib/services/containerRegistryManagement/lib/models/registry.js
index 8be82096d1..5cc411d10d 100644
--- a/lib/services/containerRegistryManagement/lib/models/registry.js
+++ b/lib/services/containerRegistryManagement/lib/models/registry.js
@@ -26,13 +26,6 @@ class Registry extends models['Resource'] {
    * 'Basic', 'Standard', 'Premium'
    * @member {string} [sku.tier] The SKU tier based on the SKU name. Possible
    * values include: 'Classic', 'Basic', 'Standard', 'Premium'
-   * @member {object} [identity] The identity of the container registry.
-   * @member {string} [identity.type] The type of identity used for the
-   * registry.
-   * @member {string} [identity.principalId] The principal ID of registry
-   * identity.
-   * @member {string} [identity.tenantId] The tenant ID associated with the
-   * registry.
    * @member {string} [loginServer] The URL that can be used to log into the
    * container registry.
    * @member {date} [creationDate] The creation date of the container registry
@@ -126,14 +119,6 @@ class Registry extends models['Resource'] {
               className: 'Sku'
             }
           },
-          identity: {
-            required: false,
-            serializedName: 'identity',
-            type: {
-              name: 'Composite',
-              className: 'RegistryIdentity'
-            }
-          },
           loginServer: {
             required: false,
             readOnly: true,
diff --git a/lib/services/containerRegistryManagement/lib/models/registryUpdateParameters.js b/lib/services/containerRegistryManagement/lib/models/registryUpdateParameters.js
index 0278db7010..1b5b26a0e9 100644
--- a/lib/services/containerRegistryManagement/lib/models/registryUpdateParameters.js
+++ b/lib/services/containerRegistryManagement/lib/models/registryUpdateParameters.js
@@ -24,13 +24,6 @@ class RegistryUpdateParameters {
    * 'Basic', 'Standard', 'Premium'
    * @member {string} [sku.tier] The SKU tier based on the SKU name. Possible
    * values include: 'Classic', 'Basic', 'Standard', 'Premium'
-   * @member {object} [identity] The identity of the container registry.
-   * @member {string} [identity.type] The type of identity used for the
-   * registry.
-   * @member {string} [identity.principalId] The principal ID of registry
-   * identity.
-   * @member {string} [identity.tenantId] The tenant ID associated with the
-   * registry.
    * @member {boolean} [adminUserEnabled] The value that indicates whether the
    * admin user is enabled.
    * @member {object} [storageAccount] The parameters of a storage account for
@@ -79,14 +72,6 @@ class RegistryUpdateParameters {
               className: 'Sku'
             }
           },
-          identity: {
-            required: false,
-            serializedName: 'identity',
-            type: {
-              name: 'Composite',
-              className: 'RegistryIdentity'
-            }
-          },
           adminUserEnabled: {
             required: false,
             serializedName: 'properties.adminUserEnabled',
diff --git a/lib/services/containerRegistryManagement/lib/operations/index.d.ts b/lib/services/containerRegistryManagement/lib/operations/index.d.ts
index d67627608d..0ae02c168a 100644
--- a/lib/services/containerRegistryManagement/lib/operations/index.d.ts
+++ b/lib/services/containerRegistryManagement/lib/operations/index.d.ts
@@ -307,17 +307,6 @@ export interface Registries {
      * Required for registry creation. Possible values include: 'Classic', 'Basic',
      * 'Standard', 'Premium'
      *
-     * @param {object} [registry.identity] The identity of the container registry.
-     *
-     * @param {string} [registry.identity.type] The type of identity used for the
-     * registry.
-     *
-     * @param {string} [registry.identity.principalId] The principal ID of registry
-     * identity.
-     *
-     * @param {string} [registry.identity.tenantId] The tenant ID associated with
-     * the registry.
-     *
      * @param {boolean} [registry.adminUserEnabled] The value that indicates
      * whether the admin user is enabled.
      *
@@ -361,17 +350,6 @@ export interface Registries {
      * Required for registry creation. Possible values include: 'Classic', 'Basic',
      * 'Standard', 'Premium'
      *
-     * @param {object} [registry.identity] The identity of the container registry.
-     *
-     * @param {string} [registry.identity.type] The type of identity used for the
-     * registry.
-     *
-     * @param {string} [registry.identity.principalId] The principal ID of registry
-     * identity.
-     *
-     * @param {string} [registry.identity.tenantId] The tenant ID associated with
-     * the registry.
-     *
      * @param {boolean} [registry.adminUserEnabled] The value that indicates
      * whether the admin user is enabled.
      *
@@ -499,18 +477,6 @@ export interface Registries {
      * container registry. Required for registry creation. Possible values include:
      * 'Classic', 'Basic', 'Standard', 'Premium'
      *
-     * @param {object} [registryUpdateParameters.identity] The identity of the
-     * container registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.type] The type of
-     * identity used for the registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.principalId] The
-     * principal ID of registry identity.
-     *
-     * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-     * associated with the registry.
-     *
      * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
      * indicates whether the admin user is enabled.
      *
@@ -556,18 +522,6 @@ export interface Registries {
      * container registry. Required for registry creation. Possible values include:
      * 'Classic', 'Basic', 'Standard', 'Premium'
      *
-     * @param {object} [registryUpdateParameters.identity] The identity of the
-     * container registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.type] The type of
-     * identity used for the registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.principalId] The
-     * principal ID of registry identity.
-     *
-     * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-     * associated with the registry.
-     *
      * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
      * indicates whether the admin user is enabled.
      *
@@ -1380,17 +1334,6 @@ export interface Registries {
      * Required for registry creation. Possible values include: 'Classic', 'Basic',
      * 'Standard', 'Premium'
      *
-     * @param {object} [registry.identity] The identity of the container registry.
-     *
-     * @param {string} [registry.identity.type] The type of identity used for the
-     * registry.
-     *
-     * @param {string} [registry.identity.principalId] The principal ID of registry
-     * identity.
-     *
-     * @param {string} [registry.identity.tenantId] The tenant ID associated with
-     * the registry.
-     *
      * @param {boolean} [registry.adminUserEnabled] The value that indicates
      * whether the admin user is enabled.
      *
@@ -1434,17 +1377,6 @@ export interface Registries {
      * Required for registry creation. Possible values include: 'Classic', 'Basic',
      * 'Standard', 'Premium'
      *
-     * @param {object} [registry.identity] The identity of the container registry.
-     *
-     * @param {string} [registry.identity.type] The type of identity used for the
-     * registry.
-     *
-     * @param {string} [registry.identity.principalId] The principal ID of registry
-     * identity.
-     *
-     * @param {string} [registry.identity.tenantId] The tenant ID associated with
-     * the registry.
-     *
      * @param {boolean} [registry.adminUserEnabled] The value that indicates
      * whether the admin user is enabled.
      *
@@ -1572,18 +1504,6 @@ export interface Registries {
      * container registry. Required for registry creation. Possible values include:
      * 'Classic', 'Basic', 'Standard', 'Premium'
      *
-     * @param {object} [registryUpdateParameters.identity] The identity of the
-     * container registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.type] The type of
-     * identity used for the registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.principalId] The
-     * principal ID of registry identity.
-     *
-     * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-     * associated with the registry.
-     *
      * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
      * indicates whether the admin user is enabled.
      *
@@ -1629,18 +1549,6 @@ export interface Registries {
      * container registry. Required for registry creation. Possible values include:
      * 'Classic', 'Basic', 'Standard', 'Premium'
      *
-     * @param {object} [registryUpdateParameters.identity] The identity of the
-     * container registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.type] The type of
-     * identity used for the registry.
-     *
-     * @param {string} [registryUpdateParameters.identity.principalId] The
-     * principal ID of registry identity.
-     *
-     * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-     * associated with the registry.
-     *
      * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
      * indicates whether the admin user is enabled.
      *
diff --git a/lib/services/containerRegistryManagement/lib/operations/registries.js b/lib/services/containerRegistryManagement/lib/operations/registries.js
index 7a7318305c..1bf3f83810 100644
--- a/lib/services/containerRegistryManagement/lib/operations/registries.js
+++ b/lib/services/containerRegistryManagement/lib/operations/registries.js
@@ -454,17 +454,6 @@ function _get(resourceGroupName, registryName, options, callback) {
  * Required for registry creation. Possible values include: 'Classic', 'Basic',
  * 'Standard', 'Premium'
  *
- * @param {object} [registry.identity] The identity of the container registry.
- *
- * @param {string} [registry.identity.type] The type of identity used for the
- * registry.
- *
- * @param {string} [registry.identity.principalId] The principal ID of registry
- * identity.
- *
- * @param {string} [registry.identity.tenantId] The tenant ID associated with
- * the registry.
- *
  * @param {boolean} [registry.adminUserEnabled] The value that indicates
  * whether the admin user is enabled.
  *
@@ -635,18 +624,6 @@ function _deleteMethod(resourceGroupName, registryName, options, callback) {
  * container registry. Required for registry creation. Possible values include:
  * 'Classic', 'Basic', 'Standard', 'Premium'
  *
- * @param {object} [registryUpdateParameters.identity] The identity of the
- * container registry.
- *
- * @param {string} [registryUpdateParameters.identity.type] The type of
- * identity used for the registry.
- *
- * @param {string} [registryUpdateParameters.identity.principalId] The
- * principal ID of registry identity.
- *
- * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
- * associated with the registry.
- *
  * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
  * indicates whether the admin user is enabled.
  *
@@ -2216,17 +2193,6 @@ function _beginImportImage(resourceGroupName, registryName, parameters, options,
  * Required for registry creation. Possible values include: 'Classic', 'Basic',
  * 'Standard', 'Premium'
  *
- * @param {object} [registry.identity] The identity of the container registry.
- *
- * @param {string} [registry.identity.type] The type of identity used for the
- * registry.
- *
- * @param {string} [registry.identity.principalId] The principal ID of registry
- * identity.
- *
- * @param {string} [registry.identity.tenantId] The tenant ID associated with
- * the registry.
- *
  * @param {boolean} [registry.adminUserEnabled] The value that indicates
  * whether the admin user is enabled.
  *
@@ -2586,18 +2552,6 @@ function _beginDeleteMethod(resourceGroupName, registryName, options, callback)
  * container registry. Required for registry creation. Possible values include:
  * 'Classic', 'Basic', 'Standard', 'Premium'
  *
- * @param {object} [registryUpdateParameters.identity] The identity of the
- * container registry.
- *
- * @param {string} [registryUpdateParameters.identity.type] The type of
- * identity used for the registry.
- *
- * @param {string} [registryUpdateParameters.identity.principalId] The
- * principal ID of registry identity.
- *
- * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
- * associated with the registry.
- *
  * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
  * indicates whether the admin user is enabled.
  *
@@ -3825,17 +3779,6 @@ class Registries {
    * Required for registry creation. Possible values include: 'Classic', 'Basic',
    * 'Standard', 'Premium'
    *
-   * @param {object} [registry.identity] The identity of the container registry.
-   *
-   * @param {string} [registry.identity.type] The type of identity used for the
-   * registry.
-   *
-   * @param {string} [registry.identity.principalId] The principal ID of registry
-   * identity.
-   *
-   * @param {string} [registry.identity.tenantId] The tenant ID associated with
-   * the registry.
-   *
    * @param {boolean} [registry.adminUserEnabled] The value that indicates
    * whether the admin user is enabled.
    *
@@ -3891,17 +3834,6 @@ class Registries {
    * Required for registry creation. Possible values include: 'Classic', 'Basic',
    * 'Standard', 'Premium'
    *
-   * @param {object} [registry.identity] The identity of the container registry.
-   *
-   * @param {string} [registry.identity.type] The type of identity used for the
-   * registry.
-   *
-   * @param {string} [registry.identity.principalId] The principal ID of registry
-   * identity.
-   *
-   * @param {string} [registry.identity.tenantId] The tenant ID associated with
-   * the registry.
-   *
    * @param {boolean} [registry.adminUserEnabled] The value that indicates
    * whether the admin user is enabled.
    *
@@ -4071,18 +4003,6 @@ class Registries {
    * container registry. Required for registry creation. Possible values include:
    * 'Classic', 'Basic', 'Standard', 'Premium'
    *
-   * @param {object} [registryUpdateParameters.identity] The identity of the
-   * container registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.type] The type of
-   * identity used for the registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.principalId] The
-   * principal ID of registry identity.
-   *
-   * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-   * associated with the registry.
-   *
    * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
    * indicates whether the admin user is enabled.
    *
@@ -4140,18 +4060,6 @@ class Registries {
    * container registry. Required for registry creation. Possible values include:
    * 'Classic', 'Basic', 'Standard', 'Premium'
    *
-   * @param {object} [registryUpdateParameters.identity] The identity of the
-   * container registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.type] The type of
-   * identity used for the registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.principalId] The
-   * principal ID of registry identity.
-   *
-   * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-   * associated with the registry.
-   *
    * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
    * indicates whether the admin user is enabled.
    *
@@ -5249,17 +5157,6 @@ class Registries {
    * Required for registry creation. Possible values include: 'Classic', 'Basic',
    * 'Standard', 'Premium'
    *
-   * @param {object} [registry.identity] The identity of the container registry.
-   *
-   * @param {string} [registry.identity.type] The type of identity used for the
-   * registry.
-   *
-   * @param {string} [registry.identity.principalId] The principal ID of registry
-   * identity.
-   *
-   * @param {string} [registry.identity.tenantId] The tenant ID associated with
-   * the registry.
-   *
    * @param {boolean} [registry.adminUserEnabled] The value that indicates
    * whether the admin user is enabled.
    *
@@ -5315,17 +5212,6 @@ class Registries {
    * Required for registry creation. Possible values include: 'Classic', 'Basic',
    * 'Standard', 'Premium'
    *
-   * @param {object} [registry.identity] The identity of the container registry.
-   *
-   * @param {string} [registry.identity.type] The type of identity used for the
-   * registry.
-   *
-   * @param {string} [registry.identity.principalId] The principal ID of registry
-   * identity.
-   *
-   * @param {string} [registry.identity.tenantId] The tenant ID associated with
-   * the registry.
-   *
    * @param {boolean} [registry.adminUserEnabled] The value that indicates
    * whether the admin user is enabled.
    *
@@ -5495,18 +5381,6 @@ class Registries {
    * container registry. Required for registry creation. Possible values include:
    * 'Classic', 'Basic', 'Standard', 'Premium'
    *
-   * @param {object} [registryUpdateParameters.identity] The identity of the
-   * container registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.type] The type of
-   * identity used for the registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.principalId] The
-   * principal ID of registry identity.
-   *
-   * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-   * associated with the registry.
-   *
    * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
    * indicates whether the admin user is enabled.
    *
@@ -5564,18 +5438,6 @@ class Registries {
    * container registry. Required for registry creation. Possible values include:
    * 'Classic', 'Basic', 'Standard', 'Premium'
    *
-   * @param {object} [registryUpdateParameters.identity] The identity of the
-   * container registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.type] The type of
-   * identity used for the registry.
-   *
-   * @param {string} [registryUpdateParameters.identity.principalId] The
-   * principal ID of registry identity.
-   *
-   * @param {string} [registryUpdateParameters.identity.tenantId] The tenant ID
-   * associated with the registry.
-   *
    * @param {boolean} [registryUpdateParameters.adminUserEnabled] The value that
    * indicates whether the admin user is enabled.
    *
diff --git a/lib/services/containerRegistryManagement/package.json b/lib/services/containerRegistryManagement/package.json
index 5724fb5fb4..c812bbd92b 100644
--- a/lib/services/containerRegistryManagement/package.json
+++ b/lib/services/containerRegistryManagement/package.json
@@ -2,7 +2,7 @@
   "name": "azure-arm-containerregistry",
   "author": "Microsoft Corporation",
   "description": "ContainerRegistryManagementClient Library with typescript type definitions for node",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "dependencies": {
     "ms-rest": "^2.3.3",
     "ms-rest-azure": "^2.5.5"