diff --git a/sdk/rdbms/azure-mgmt-rdbms/_meta.json b/sdk/rdbms/azure-mgmt-rdbms/_meta.json
index cfb0caee51a1..e03d34d3a53f 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/_meta.json
+++ b/sdk/rdbms/azure-mgmt-rdbms/_meta.json
@@ -4,7 +4,7 @@
     "@autorest/python@5.8.4",
     "@autorest/modelerfour@4.19.2"
   ],
-  "commit": "1a22ee0be121e33f98b6290cc737f613f2e1a2d8",
+  "commit": "6ae376d35fd55d1961853d4e53c68dd6958db4f7",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "autorest_command": "autorest specification/postgresql/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.4 --use=@autorest/modelerfour@4.19.2 --version=3.4.5",
   "readme": "specification/postgresql/resource-manager/readme.md"
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql/_version.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql/_version.py
index 9c108f450a9a..e5754a47ce68 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql/_version.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "9.1.0b1"
+VERSION = "1.0.0b1"
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/_version.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/_version.py
index 9c108f450a9a..e5754a47ce68 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/_version.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "9.1.0b1"
+VERSION = "1.0.0b1"
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/__init__.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/__init__.py
index 1cd0378a581b..1a1995ed768b 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/__init__.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/__init__.py
@@ -22,7 +22,6 @@
     from ._models_py3 import FlexibleServerEditionCapability
     from ._models_py3 import HighAvailability
     from ._models_py3 import HyperscaleNodeEditionCapability
-    from ._models_py3 import Identity
     from ._models_py3 import MaintenanceWindow
     from ._models_py3 import NameAvailability
     from ._models_py3 import NameAvailabilityRequest
@@ -63,7 +62,6 @@
     from ._models import FlexibleServerEditionCapability  # type: ignore
     from ._models import HighAvailability  # type: ignore
     from ._models import HyperscaleNodeEditionCapability  # type: ignore
-    from ._models import Identity  # type: ignore
     from ._models import MaintenanceWindow  # type: ignore
     from ._models import NameAvailability  # type: ignore
     from ._models import NameAvailabilityRequest  # type: ignore
@@ -120,7 +118,6 @@
     'FlexibleServerEditionCapability',
     'HighAvailability',
     'HyperscaleNodeEditionCapability',
-    'Identity',
     'MaintenanceWindow',
     'NameAvailability',
     'NameAvailabilityRequest',
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models.py
index bb23e819126e..389530628f49 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models.py
@@ -674,41 +674,6 @@ def __init__(
         self.status = None
 
 
-class Identity(msrest.serialization.Model):
-    """Identity for the resource.
-
-    Variables are only populated by the server, and will be ignored when sending a request.
-
-    :ivar principal_id: The principal ID of resource identity.
-    :vartype principal_id: str
-    :ivar tenant_id: The tenant ID of resource.
-    :vartype tenant_id: str
-    :param type: The identity type. The only acceptable values to pass in are None and
-     "SystemAssigned". The default value is None.
-    :type type: str
-    """
-
-    _validation = {
-        'principal_id': {'readonly': True},
-        'tenant_id': {'readonly': True},
-    }
-
-    _attribute_map = {
-        'principal_id': {'key': 'principalId', 'type': 'str'},
-        'tenant_id': {'key': 'tenantId', 'type': 'str'},
-        'type': {'key': 'type', 'type': 'str'},
-    }
-
-    def __init__(
-        self,
-        **kwargs
-    ):
-        super(Identity, self).__init__(**kwargs)
-        self.principal_id = None
-        self.tenant_id = None
-        self.type = kwargs.get('type', None)
-
-
 class MaintenanceWindow(msrest.serialization.Model):
     """Maintenance window properties of a server.
 
@@ -1066,8 +1031,6 @@ class Server(TrackedResource):
     :type tags: dict[str, str]
     :param location: Required. The geo-location where the resource lives.
     :type location: str
-    :param identity: The Azure Active Directory identity of the server.
-    :type identity: ~azure.mgmt.rdbms.postgresql_flexibleservers.models.Identity
     :param sku: The SKU (pricing tier) of the server.
     :type sku: ~azure.mgmt.rdbms.postgresql_flexibleservers.models.Sku
     :ivar system_data: The system metadata relating to this resource.
@@ -1129,7 +1092,6 @@ class Server(TrackedResource):
         'type': {'key': 'type', 'type': 'str'},
         'tags': {'key': 'tags', 'type': '{str}'},
         'location': {'key': 'location', 'type': 'str'},
-        'identity': {'key': 'identity', 'type': 'Identity'},
         'sku': {'key': 'sku', 'type': 'Sku'},
         'system_data': {'key': 'systemData', 'type': 'SystemData'},
         'administrator_login': {'key': 'properties.administratorLogin', 'type': 'str'},
@@ -1155,7 +1117,6 @@ def __init__(
         **kwargs
     ):
         super(Server, self).__init__(**kwargs)
-        self.identity = kwargs.get('identity', None)
         self.sku = kwargs.get('sku', None)
         self.system_data = None
         self.administrator_login = kwargs.get('administrator_login', None)
diff --git a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models_py3.py b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models_py3.py
index 472e65efb3a6..ffe541f1c7f3 100644
--- a/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models_py3.py
+++ b/sdk/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers/models/_models_py3.py
@@ -703,43 +703,6 @@ def __init__(
         self.status = None
 
 
-class Identity(msrest.serialization.Model):
-    """Identity for the resource.
-
-    Variables are only populated by the server, and will be ignored when sending a request.
-
-    :ivar principal_id: The principal ID of resource identity.
-    :vartype principal_id: str
-    :ivar tenant_id: The tenant ID of resource.
-    :vartype tenant_id: str
-    :param type: The identity type. The only acceptable values to pass in are None and
-     "SystemAssigned". The default value is None.
-    :type type: str
-    """
-
-    _validation = {
-        'principal_id': {'readonly': True},
-        'tenant_id': {'readonly': True},
-    }
-
-    _attribute_map = {
-        'principal_id': {'key': 'principalId', 'type': 'str'},
-        'tenant_id': {'key': 'tenantId', 'type': 'str'},
-        'type': {'key': 'type', 'type': 'str'},
-    }
-
-    def __init__(
-        self,
-        *,
-        type: Optional[str] = None,
-        **kwargs
-    ):
-        super(Identity, self).__init__(**kwargs)
-        self.principal_id = None
-        self.tenant_id = None
-        self.type = type
-
-
 class MaintenanceWindow(msrest.serialization.Model):
     """Maintenance window properties of a server.
 
@@ -1124,8 +1087,6 @@ class Server(TrackedResource):
     :type tags: dict[str, str]
     :param location: Required. The geo-location where the resource lives.
     :type location: str
-    :param identity: The Azure Active Directory identity of the server.
-    :type identity: ~azure.mgmt.rdbms.postgresql_flexibleservers.models.Identity
     :param sku: The SKU (pricing tier) of the server.
     :type sku: ~azure.mgmt.rdbms.postgresql_flexibleservers.models.Sku
     :ivar system_data: The system metadata relating to this resource.
@@ -1187,7 +1148,6 @@ class Server(TrackedResource):
         'type': {'key': 'type', 'type': 'str'},
         'tags': {'key': 'tags', 'type': '{str}'},
         'location': {'key': 'location', 'type': 'str'},
-        'identity': {'key': 'identity', 'type': 'Identity'},
         'sku': {'key': 'sku', 'type': 'Sku'},
         'system_data': {'key': 'systemData', 'type': 'SystemData'},
         'administrator_login': {'key': 'properties.administratorLogin', 'type': 'str'},
@@ -1213,7 +1173,6 @@ def __init__(
         *,
         location: str,
         tags: Optional[Dict[str, str]] = None,
-        identity: Optional["Identity"] = None,
         sku: Optional["Sku"] = None,
         administrator_login: Optional[str] = None,
         administrator_login_password: Optional[str] = None,
@@ -1231,7 +1190,6 @@ def __init__(
         **kwargs
     ):
         super(Server, self).__init__(tags=tags, location=location, **kwargs)
-        self.identity = identity
         self.sku = sku
         self.system_data = None
         self.administrator_login = administrator_login