diff --git a/tempest/auth.py b/tempest/auth.py
index c84ad6b..b1ead29 100644
--- a/tempest/auth.py
+++ b/tempest/auth.py
@@ -40,11 +40,9 @@
     Provide authentication
     """
 
-    def __init__(self, credentials, client_type='tempest',
-                 interface=None):
+    def __init__(self, credentials, interface=None):
         """
         :param credentials: credentials for authentication
-        :param client_type: 'tempest' or 'official'
         :param interface: 'json' or 'xml'. Applicable for tempest client only
         """
         credentials = self._convert_credentials(credentials)
@@ -52,9 +50,8 @@
             self.credentials = credentials
         else:
             raise TypeError("Invalid credentials")
-        self.client_type = client_type
         self.interface = interface
-        if self.client_type == 'tempest' and self.interface is None:
+        if self.interface is None:
             self.interface = 'json'
         self.cache = None
         self.alt_auth_data = None
@@ -68,11 +65,10 @@
             return credentials
 
     def __str__(self):
-        return "Creds :{creds}, client type: {client_type}, interface: " \
-               "{interface}, cached auth data: {cache}".format(
-                   creds=self.credentials, client_type=self.client_type,
-                   interface=self.interface, cache=self.cache
-               )
+        return "Creds :{creds}, interface: {interface}, " \
+               "cached auth data: {cache}".format(
+                   creds=self.credentials, interface=self.interface,
+                   cache=self.cache)
 
     @abc.abstractmethod
     def _decorate_request(self, filters, method, url, headers=None, body=None,
@@ -208,9 +204,8 @@
 
     token_expiry_threshold = datetime.timedelta(seconds=60)
 
-    def __init__(self, credentials, client_type='tempest', interface=None):
-        super(KeystoneAuthProvider, self).__init__(credentials, client_type,
-                                                   interface)
+    def __init__(self, credentials, interface=None):
+        super(KeystoneAuthProvider, self).__init__(credentials, interface)
         self.auth_client = self._auth_client()
 
     def _decorate_request(self, filters, method, url, headers=None, body=None,
@@ -244,15 +239,12 @@
 
     def _get_auth(self):
         # Bypasses the cache
-        if self.client_type == 'tempest':
-            auth_func = getattr(self.auth_client, 'get_token')
-            auth_params = self._auth_params()
+        auth_func = getattr(self.auth_client, 'get_token')
+        auth_params = self._auth_params()
 
-            # returns token, auth_data
-            token, auth_data = auth_func(**auth_params)
-            return token, auth_data
-        else:
-            raise NotImplementedError
+        # returns token, auth_data
+        token, auth_data = auth_func(**auth_params)
+        return token, auth_data
 
     def get_token(self):
         return self.auth_data[0]
@@ -263,23 +255,17 @@
     EXPIRY_DATE_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
 
     def _auth_client(self):
-        if self.client_type == 'tempest':
-            if self.interface == 'json':
-                return json_id.TokenClientJSON()
-            else:
-                return xml_id.TokenClientXML()
+        if self.interface == 'json':
+            return json_id.TokenClientJSON()
         else:
-            raise NotImplementedError
+            return xml_id.TokenClientXML()
 
     def _auth_params(self):
-        if self.client_type == 'tempest':
-            return dict(
-                user=self.credentials.username,
-                password=self.credentials.password,
-                tenant=self.credentials.tenant_name,
-                auth_data=True)
-        else:
-            raise NotImplementedError
+        return dict(
+            user=self.credentials.username,
+            password=self.credentials.password,
+            tenant=self.credentials.tenant_name,
+            auth_data=True)
 
     def _fill_credentials(self, auth_data_body):
         tenant = auth_data_body['token']['tenant']
@@ -350,24 +336,18 @@
     EXPIRY_DATE_FORMAT = '%Y-%m-%dT%H:%M:%S.%fZ'
 
     def _auth_client(self):
-        if self.client_type == 'tempest':
-            if self.interface == 'json':
-                return json_v3id.V3TokenClientJSON()
-            else:
-                return xml_v3id.V3TokenClientXML()
+        if self.interface == 'json':
+            return json_v3id.V3TokenClientJSON()
         else:
-            raise NotImplementedError
+            return xml_v3id.V3TokenClientXML()
 
     def _auth_params(self):
-        if self.client_type == 'tempest':
-            return dict(
-                user=self.credentials.username,
-                password=self.credentials.password,
-                tenant=self.credentials.tenant_name,
-                domain=self.credentials.user_domain_name,
-                auth_data=True)
-        else:
-            raise NotImplementedError
+        return dict(
+            user=self.credentials.username,
+            password=self.credentials.password,
+            tenant=self.credentials.tenant_name,
+            domain=self.credentials.user_domain_name,
+            auth_data=True)
 
     def _fill_credentials(self, auth_data_body):
         # project or domain, depending on the scope
diff --git a/tempest/clients.py b/tempest/clients.py
index 1dda66a..2d07852 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -225,7 +225,6 @@
     def __init__(self, credentials=None, interface='json', service=None):
         # Set interface and client type first
         self.interface = interface
-        self.client_type = 'tempest'
         # super cares for credentials validation
         super(Manager, self).__init__(credentials=credentials)
 
diff --git a/tempest/manager.py b/tempest/manager.py
index 75aee96..538b619 100644
--- a/tempest/manager.py
+++ b/tempest/manager.py
@@ -63,6 +63,5 @@
                 'Credentials must be specified')
         auth_provider_class = self.get_auth_provider_class(credentials)
         return auth_provider_class(
-            client_type=getattr(self, 'client_type', None),
             interface=getattr(self, 'interface', None),
             credentials=credentials)