diff --git a/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract.py b/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract.py
index b4eaf5654446..3c434fa4da8b 100644
--- a/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract.py
+++ b/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract.py
@@ -21,21 +21,14 @@ class AuthenticationSettingsContract(Model):
     :param openid: OpenID Connect Authentication Settings
     :type openid:
      ~azure.mgmt.apimanagement.models.OpenIdAuthenticationSettingsContract
-    :param subscription_key_required: Specifies whether subscription key is
-     required during call to this API, true - API is included into closed
-     products only, false - API is included into open products alone, null -
-     there is a mix of products.
-    :type subscription_key_required: bool
     """
 
     _attribute_map = {
         'o_auth2': {'key': 'oAuth2', 'type': 'OAuth2AuthenticationSettingsContract'},
         'openid': {'key': 'openid', 'type': 'OpenIdAuthenticationSettingsContract'},
-        'subscription_key_required': {'key': 'subscriptionKeyRequired', 'type': 'bool'},
     }
 
     def __init__(self, **kwargs):
         super(AuthenticationSettingsContract, self).__init__(**kwargs)
         self.o_auth2 = kwargs.get('o_auth2', None)
         self.openid = kwargs.get('openid', None)
-        self.subscription_key_required = kwargs.get('subscription_key_required', None)
diff --git a/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract_py3.py b/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract_py3.py
index 725dc936e94f..328870d86c82 100644
--- a/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract_py3.py
+++ b/sdk/apimanagement/azure-mgmt-apimanagement/azure/mgmt/apimanagement/models/authentication_settings_contract_py3.py
@@ -21,21 +21,14 @@ class AuthenticationSettingsContract(Model):
     :param openid: OpenID Connect Authentication Settings
     :type openid:
      ~azure.mgmt.apimanagement.models.OpenIdAuthenticationSettingsContract
-    :param subscription_key_required: Specifies whether subscription key is
-     required during call to this API, true - API is included into closed
-     products only, false - API is included into open products alone, null -
-     there is a mix of products.
-    :type subscription_key_required: bool
     """
 
     _attribute_map = {
         'o_auth2': {'key': 'oAuth2', 'type': 'OAuth2AuthenticationSettingsContract'},
         'openid': {'key': 'openid', 'type': 'OpenIdAuthenticationSettingsContract'},
-        'subscription_key_required': {'key': 'subscriptionKeyRequired', 'type': 'bool'},
     }
 
-    def __init__(self, *, o_auth2=None, openid=None, subscription_key_required: bool=None, **kwargs) -> None:
+    def __init__(self, *, o_auth2=None, openid=None, **kwargs) -> None:
         super(AuthenticationSettingsContract, self).__init__(**kwargs)
         self.o_auth2 = o_auth2
         self.openid = openid
-        self.subscription_key_required = subscription_key_required