diff --git a/lib/services/networkManagement2/lib/models/applicationGatewayBackendHealthServer.js b/lib/services/networkManagement2/lib/models/applicationGatewayBackendHealthServer.js
index 043a8d66de..6159f0e18a 100644
--- a/lib/services/networkManagement2/lib/models/applicationGatewayBackendHealthServer.js
+++ b/lib/services/networkManagement2/lib/models/applicationGatewayBackendHealthServer.js
@@ -239,9 +239,6 @@ class ApplicationGatewayBackendHealthServer {
    * @member {array}
    * [ipConfiguration.publicIPAddress.publicIPPrefix.publicIPAddresses] The
    * list of all referenced PublicIPAddresses
-   * @member {number}
-   * [ipConfiguration.publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
-   * idle timeout of the public IP prefix.
    * @member {string}
    * [ipConfiguration.publicIPAddress.publicIPPrefix.resourceGuid] The resource
    * GUID property of the public IP prefix resource.
diff --git a/lib/services/networkManagement2/lib/models/frontendIPConfiguration.js b/lib/services/networkManagement2/lib/models/frontendIPConfiguration.js
index a10cdfccd3..f3f7de78c2 100644
--- a/lib/services/networkManagement2/lib/models/frontendIPConfiguration.js
+++ b/lib/services/networkManagement2/lib/models/frontendIPConfiguration.js
@@ -207,8 +207,6 @@ class FrontendIPConfiguration extends models['SubResource'] {
    * Prefix
    * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The
    * list of all referenced PublicIPAddresses
-   * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
-   * idle timeout of the public IP prefix.
    * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The
    * resource GUID property of the public IP prefix resource.
    * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
diff --git a/lib/services/networkManagement2/lib/models/iPConfiguration.js b/lib/services/networkManagement2/lib/models/iPConfiguration.js
index 8d95d41115..221c8998b9 100644
--- a/lib/services/networkManagement2/lib/models/iPConfiguration.js
+++ b/lib/services/networkManagement2/lib/models/iPConfiguration.js
@@ -120,8 +120,6 @@ class IPConfiguration extends models['SubResource'] {
    * Prefix
    * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The
    * list of all referenced PublicIPAddresses
-   * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
-   * idle timeout of the public IP prefix.
    * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The
    * resource GUID property of the public IP prefix resource.
    * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
diff --git a/lib/services/networkManagement2/lib/models/inboundNatRule.js b/lib/services/networkManagement2/lib/models/inboundNatRule.js
index 4613393f3e..ecb1ca36ed 100644
--- a/lib/services/networkManagement2/lib/models/inboundNatRule.js
+++ b/lib/services/networkManagement2/lib/models/inboundNatRule.js
@@ -259,9 +259,6 @@ class InboundNatRule extends models['SubResource'] {
    * @member {array}
    * [backendIPConfiguration.publicIPAddress.publicIPPrefix.publicIPAddresses]
    * The list of all referenced PublicIPAddresses
-   * @member {number}
-   * [backendIPConfiguration.publicIPAddress.publicIPPrefix.idleTimeoutInMinutes]
-   * The idle timeout of the public IP prefix.
    * @member {string}
    * [backendIPConfiguration.publicIPAddress.publicIPPrefix.resourceGuid] The
    * resource GUID property of the public IP prefix resource.
diff --git a/lib/services/networkManagement2/lib/models/index.d.ts b/lib/services/networkManagement2/lib/models/index.d.ts
index f87da92cf2..00c6dacb07 100644
--- a/lib/services/networkManagement2/lib/models/index.d.ts
+++ b/lib/services/networkManagement2/lib/models/index.d.ts
@@ -505,9 +505,6 @@ export interface BackendAddressPool extends SubResource {
  * @member {array}
  * [backendIPConfiguration.publicIPAddress.publicIPPrefix.publicIPAddresses]
  * The list of all referenced PublicIPAddresses
- * @member {number}
- * [backendIPConfiguration.publicIPAddress.publicIPPrefix.idleTimeoutInMinutes]
- * The idle timeout of the public IP prefix.
  * @member {string}
  * [backendIPConfiguration.publicIPAddress.publicIPPrefix.resourceGuid] The
  * resource GUID property of the public IP prefix resource.
@@ -972,8 +969,6 @@ export interface ReferencedPublicIpAddress {
  * @member {string} [ipPrefix] The allocated Prefix
  * @member {array} [publicIPAddresses] The list of all referenced
  * PublicIPAddresses
- * @member {number} [idleTimeoutInMinutes] The idle timeout of the public IP
- * prefix.
  * @member {string} [resourceGuid] The resource GUID property of the public IP
  * prefix resource.
  * @member {string} [provisioningState] The provisioning state of the Public IP
@@ -990,7 +985,6 @@ export interface PublicIPPrefix extends Resource {
   prefixLength?: number;
   ipPrefix?: string;
   publicIPAddresses?: ReferencedPublicIpAddress[];
-  idleTimeoutInMinutes?: number;
   resourceGuid?: string;
   provisioningState?: string;
   etag?: string;
@@ -1114,8 +1108,6 @@ export interface PublicIPPrefix extends Resource {
  * @member {string} [publicIPPrefix.ipPrefix] The allocated Prefix
  * @member {array} [publicIPPrefix.publicIPAddresses] The list of all
  * referenced PublicIPAddresses
- * @member {number} [publicIPPrefix.idleTimeoutInMinutes] The idle timeout of
- * the public IP prefix.
  * @member {string} [publicIPPrefix.resourceGuid] The resource GUID property of
  * the public IP prefix resource.
  * @member {string} [publicIPPrefix.provisioningState] The provisioning state
@@ -1256,8 +1248,6 @@ export interface PublicIPAddress extends Resource {
  * Prefix
  * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The list
  * of all referenced PublicIPAddresses
- * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
- * idle timeout of the public IP prefix.
  * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The resource
  * GUID property of the public IP prefix resource.
  * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
@@ -1571,8 +1561,6 @@ export interface Subnet extends SubResource {
  * Prefix
  * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The list
  * of all referenced PublicIPAddresses
- * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
- * idle timeout of the public IP prefix.
  * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The resource
  * GUID property of the public IP prefix resource.
  * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
@@ -1965,9 +1953,6 @@ export interface ApplicationGatewayBackendHttpSettings extends SubResource {
  * @member {array}
  * [ipConfiguration.publicIPAddress.publicIPPrefix.publicIPAddresses] The list
  * of all referenced PublicIPAddresses
- * @member {number}
- * [ipConfiguration.publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
- * idle timeout of the public IP prefix.
  * @member {string}
  * [ipConfiguration.publicIPAddress.publicIPPrefix.resourceGuid] The resource
  * GUID property of the public IP prefix resource.
@@ -3885,8 +3870,6 @@ export interface LoadBalancerSku {
  * Prefix
  * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The list
  * of all referenced PublicIPAddresses
- * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
- * idle timeout of the public IP prefix.
  * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The resource
  * GUID property of the public IP prefix resource.
  * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
diff --git a/lib/services/networkManagement2/lib/models/networkInterfaceIPConfiguration.js b/lib/services/networkManagement2/lib/models/networkInterfaceIPConfiguration.js
index 8d480789bd..dc74949e7e 100644
--- a/lib/services/networkManagement2/lib/models/networkInterfaceIPConfiguration.js
+++ b/lib/services/networkManagement2/lib/models/networkInterfaceIPConfiguration.js
@@ -211,8 +211,6 @@ class NetworkInterfaceIPConfiguration extends models['SubResource'] {
    * Prefix
    * @member {array} [publicIPAddress.publicIPPrefix.publicIPAddresses] The
    * list of all referenced PublicIPAddresses
-   * @member {number} [publicIPAddress.publicIPPrefix.idleTimeoutInMinutes] The
-   * idle timeout of the public IP prefix.
    * @member {string} [publicIPAddress.publicIPPrefix.resourceGuid] The
    * resource GUID property of the public IP prefix resource.
    * @member {string} [publicIPAddress.publicIPPrefix.provisioningState] The
diff --git a/lib/services/networkManagement2/lib/models/publicIPAddress.js b/lib/services/networkManagement2/lib/models/publicIPAddress.js
index baf530a5ed..d5894b6c66 100644
--- a/lib/services/networkManagement2/lib/models/publicIPAddress.js
+++ b/lib/services/networkManagement2/lib/models/publicIPAddress.js
@@ -134,8 +134,6 @@ class PublicIPAddress extends models['Resource'] {
    * @member {string} [publicIPPrefix.ipPrefix] The allocated Prefix
    * @member {array} [publicIPPrefix.publicIPAddresses] The list of all
    * referenced PublicIPAddresses
-   * @member {number} [publicIPPrefix.idleTimeoutInMinutes] The idle timeout of
-   * the public IP prefix.
    * @member {string} [publicIPPrefix.resourceGuid] The resource GUID property
    * of the public IP prefix resource.
    * @member {string} [publicIPPrefix.provisioningState] The provisioning state
diff --git a/lib/services/networkManagement2/lib/models/publicIPPrefix.js b/lib/services/networkManagement2/lib/models/publicIPPrefix.js
index 985fea0e19..15fa2711a9 100644
--- a/lib/services/networkManagement2/lib/models/publicIPPrefix.js
+++ b/lib/services/networkManagement2/lib/models/publicIPPrefix.js
@@ -32,8 +32,6 @@ class PublicIPPrefix extends models['Resource'] {
    * @member {string} [ipPrefix] The allocated Prefix
    * @member {array} [publicIPAddresses] The list of all referenced
    * PublicIPAddresses
-   * @member {number} [idleTimeoutInMinutes] The idle timeout of the public IP
-   * prefix.
    * @member {string} [resourceGuid] The resource GUID property of the public
    * IP prefix resource.
    * @member {string} [provisioningState] The provisioning state of the Public
@@ -165,13 +163,6 @@ class PublicIPPrefix extends models['Resource'] {
               }
             }
           },
-          idleTimeoutInMinutes: {
-            required: false,
-            serializedName: 'properties.idleTimeoutInMinutes',
-            type: {
-              name: 'Number'
-            }
-          },
           resourceGuid: {
             required: false,
             serializedName: 'properties.resourceGuid',
diff --git a/lib/services/networkManagement2/lib/operations/index.d.ts b/lib/services/networkManagement2/lib/operations/index.d.ts
index b2d2ce997e..b7fdf3cb2e 100644
--- a/lib/services/networkManagement2/lib/operations/index.d.ts
+++ b/lib/services/networkManagement2/lib/operations/index.d.ts
@@ -19992,9 +19992,6 @@ export interface PublicIPAddresses {
      * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
      * referenced PublicIPAddresses
      *
-     * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-     * timeout of the public IP prefix.
-     *
      * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
      * property of the public IP prefix resource.
      *
@@ -20120,9 +20117,6 @@ export interface PublicIPAddresses {
      * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
      * referenced PublicIPAddresses
      *
-     * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-     * timeout of the public IP prefix.
-     *
      * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
      * property of the public IP prefix resource.
      *
@@ -20723,9 +20717,6 @@ export interface PublicIPAddresses {
      * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
      * referenced PublicIPAddresses
      *
-     * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-     * timeout of the public IP prefix.
-     *
      * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
      * property of the public IP prefix resource.
      *
@@ -20851,9 +20842,6 @@ export interface PublicIPAddresses {
      * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
      * referenced PublicIPAddresses
      *
-     * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-     * timeout of the public IP prefix.
-     *
      * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
      * property of the public IP prefix resource.
      *
@@ -21392,9 +21380,6 @@ export interface PublicIPPrefixes {
      * @param {array} [parameters.publicIPAddresses] The list of all referenced
      * PublicIPAddresses
      *
-     * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-     * public IP prefix.
-     *
      * @param {string} [parameters.resourceGuid] The resource GUID property of the
      * public IP prefix resource.
      *
@@ -21457,9 +21442,6 @@ export interface PublicIPPrefixes {
      * @param {array} [parameters.publicIPAddresses] The list of all referenced
      * PublicIPAddresses
      *
-     * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-     * public IP prefix.
-     *
      * @param {string} [parameters.resourceGuid] The resource GUID property of the
      * public IP prefix resource.
      *
@@ -21776,9 +21758,6 @@ export interface PublicIPPrefixes {
      * @param {array} [parameters.publicIPAddresses] The list of all referenced
      * PublicIPAddresses
      *
-     * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-     * public IP prefix.
-     *
      * @param {string} [parameters.resourceGuid] The resource GUID property of the
      * public IP prefix resource.
      *
@@ -21841,9 +21820,6 @@ export interface PublicIPPrefixes {
      * @param {array} [parameters.publicIPAddresses] The list of all referenced
      * PublicIPAddresses
      *
-     * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-     * public IP prefix.
-     *
      * @param {string} [parameters.resourceGuid] The resource GUID property of the
      * public IP prefix resource.
      *
diff --git a/lib/services/networkManagement2/lib/operations/publicIPAddresses.js b/lib/services/networkManagement2/lib/operations/publicIPAddresses.js
index 94a982b373..53dcea5bb7 100644
--- a/lib/services/networkManagement2/lib/operations/publicIPAddresses.js
+++ b/lib/services/networkManagement2/lib/operations/publicIPAddresses.js
@@ -301,9 +301,6 @@ function _get(resourceGroupName, publicIpAddressName, options, callback) {
  * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
  * referenced PublicIPAddresses
  *
- * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
- * timeout of the public IP prefix.
- *
  * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
  * property of the public IP prefix resource.
  *
@@ -1451,9 +1448,6 @@ function _beginDeleteMethod(resourceGroupName, publicIpAddressName, options, cal
  * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
  * referenced PublicIPAddresses
  *
- * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
- * timeout of the public IP prefix.
- *
  * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
  * property of the public IP prefix resource.
  *
@@ -2616,9 +2610,6 @@ class PublicIPAddresses {
    * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
    * referenced PublicIPAddresses
    *
-   * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-   * timeout of the public IP prefix.
-   *
    * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
    * property of the public IP prefix resource.
    *
@@ -2756,9 +2747,6 @@ class PublicIPAddresses {
    * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
    * referenced PublicIPAddresses
    *
-   * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-   * timeout of the public IP prefix.
-   *
    * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
    * property of the public IP prefix resource.
    *
@@ -3563,9 +3551,6 @@ class PublicIPAddresses {
    * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
    * referenced PublicIPAddresses
    *
-   * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-   * timeout of the public IP prefix.
-   *
    * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
    * property of the public IP prefix resource.
    *
@@ -3703,9 +3688,6 @@ class PublicIPAddresses {
    * @param {array} [parameters.publicIPPrefix.publicIPAddresses] The list of all
    * referenced PublicIPAddresses
    *
-   * @param {number} [parameters.publicIPPrefix.idleTimeoutInMinutes] The idle
-   * timeout of the public IP prefix.
-   *
    * @param {string} [parameters.publicIPPrefix.resourceGuid] The resource GUID
    * property of the public IP prefix resource.
    *
diff --git a/lib/services/networkManagement2/lib/operations/publicIPPrefixes.js b/lib/services/networkManagement2/lib/operations/publicIPPrefixes.js
index 494b8c1fca..63e1c12574 100644
--- a/lib/services/networkManagement2/lib/operations/publicIPPrefixes.js
+++ b/lib/services/networkManagement2/lib/operations/publicIPPrefixes.js
@@ -260,9 +260,6 @@ function _get(resourceGroupName, publicIpPrefixName, options, callback) {
  * @param {array} [parameters.publicIPAddresses] The list of all referenced
  * PublicIPAddresses
  *
- * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
- * public IP prefix.
- *
  * @param {string} [parameters.resourceGuid] The resource GUID property of the
  * public IP prefix resource.
  *
@@ -860,9 +857,6 @@ function _beginDeleteMethod(resourceGroupName, publicIpPrefixName, options, call
  * @param {array} [parameters.publicIPAddresses] The list of all referenced
  * PublicIPAddresses
  *
- * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
- * public IP prefix.
- *
  * @param {string} [parameters.resourceGuid] The resource GUID property of the
  * public IP prefix resource.
  *
@@ -1699,9 +1693,6 @@ class PublicIPPrefixes {
    * @param {array} [parameters.publicIPAddresses] The list of all referenced
    * PublicIPAddresses
    *
-   * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-   * public IP prefix.
-   *
    * @param {string} [parameters.resourceGuid] The resource GUID property of the
    * public IP prefix resource.
    *
@@ -1776,9 +1767,6 @@ class PublicIPPrefixes {
    * @param {array} [parameters.publicIPAddresses] The list of all referenced
    * PublicIPAddresses
    *
-   * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-   * public IP prefix.
-   *
    * @param {string} [parameters.resourceGuid] The resource GUID property of the
    * public IP prefix resource.
    *
@@ -2218,9 +2206,6 @@ class PublicIPPrefixes {
    * @param {array} [parameters.publicIPAddresses] The list of all referenced
    * PublicIPAddresses
    *
-   * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-   * public IP prefix.
-   *
    * @param {string} [parameters.resourceGuid] The resource GUID property of the
    * public IP prefix resource.
    *
@@ -2295,9 +2280,6 @@ class PublicIPPrefixes {
    * @param {array} [parameters.publicIPAddresses] The list of all referenced
    * PublicIPAddresses
    *
-   * @param {number} [parameters.idleTimeoutInMinutes] The idle timeout of the
-   * public IP prefix.
-   *
    * @param {string} [parameters.resourceGuid] The resource GUID property of the
    * public IP prefix resource.
    *