diff --git a/tempest/api/object_storage/test_account_quotas_negative.py b/tempest/api/object_storage/test_account_quotas_negative.py
index 6784a55..f955d34 100644
--- a/tempest/api/object_storage/test_account_quotas_negative.py
+++ b/tempest/api/object_storage/test_account_quotas_negative.py
@@ -82,11 +82,13 @@
         """Test that a user cannot modify or remove a quota on its account."""
 
         # Not able to remove quota
-        self.assertRaises(lib_exc.Forbidden,
-                          self.account_client.create_account_metadata,
-                          {"Quota-Bytes": ""})
+        self.assertRaises(
+            lib_exc.Forbidden,
+            self.account_client.create_update_or_delete_account_metadata,
+            create_update_metadata={"Quota-Bytes": ""})
 
         # Not able to modify quota
-        self.assertRaises(lib_exc.Forbidden,
-                          self.account_client.create_account_metadata,
-                          {"Quota-Bytes": "100"})
+        self.assertRaises(
+            lib_exc.Forbidden,
+            self.account_client.create_update_or_delete_account_metadata,
+            create_update_metadata={"Quota-Bytes": "100"})
diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index d0a3f10..e54b6e7 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -272,13 +272,15 @@
         # set metadata to account
         metadata = {'test-account-meta1': 'Meta1',
                     'test-account-meta2': 'Meta2'}
-        resp, _ = self.account_client.create_account_metadata(metadata)
+        resp, _ = self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
 
         resp, _ = self.account_client.list_account_metadata()
         self.assertHeaders(resp, 'Account', 'HEAD')
         self.assertIn('x-account-meta-test-account-meta1', resp)
         self.assertIn('x-account-meta-test-account-meta2', resp)
-        self.account_client.delete_account_metadata(metadata)
+        self.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=metadata)
 
     @decorators.idempotent_id('b904c2e3-24c2-4dba-ad7d-04e90a761be5')
     def test_list_no_account_metadata(self):
@@ -291,7 +293,8 @@
     def test_update_account_metadata_with_create_metadata(self):
         # add metadata to account
         metadata = {'test-account-meta1': 'Meta1'}
-        resp, _ = self.account_client.create_account_metadata(metadata)
+        resp, _ = self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
         self.assertHeaders(resp, 'Account', 'POST')
 
         resp, body = self.account_client.list_account_metadata()
@@ -299,14 +302,17 @@
         self.assertEqual(resp['x-account-meta-test-account-meta1'],
                          metadata['test-account-meta1'])
 
-        self.account_client.delete_account_metadata(metadata)
+        self.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=metadata)
 
     @decorators.idempotent_id('9f60348d-c46f-4465-ae06-d51dbd470953')
     def test_update_account_metadata_with_delete_metadata(self):
         # delete metadata from account
         metadata = {'test-account-meta1': 'Meta1'}
-        self.account_client.create_account_metadata(metadata)
-        resp, _ = self.account_client.delete_account_metadata(metadata)
+        self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
+        resp, _ = self.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=metadata)
         self.assertHeaders(resp, 'Account', 'POST')
 
         resp, _ = self.account_client.list_account_metadata()
@@ -317,7 +323,8 @@
         # if the value of metadata is not set, the metadata is not
         # registered at a server
         metadata = {'test-account-meta1': ''}
-        resp, _ = self.account_client.create_account_metadata(metadata)
+        resp, _ = self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
         self.assertHeaders(resp, 'Account', 'POST')
 
         resp, _ = self.account_client.list_account_metadata()
@@ -328,9 +335,11 @@
         # Although the value of metadata is not set, the feature of
         # deleting metadata is valid
         metadata_1 = {'test-account-meta1': 'Meta1'}
-        self.account_client.create_account_metadata(metadata_1)
+        self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata_1)
         metadata_2 = {'test-account-meta1': ''}
-        resp, _ = self.account_client.delete_account_metadata(metadata_2)
+        resp, _ = self.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=metadata_2)
         self.assertHeaders(resp, 'Account', 'POST')
 
         resp, _ = self.account_client.list_account_metadata()
@@ -340,11 +349,13 @@
     def test_update_account_metadata_with_create_and_delete_metadata(self):
         # Send a request adding and deleting metadata requests simultaneously
         metadata_1 = {'test-account-meta1': 'Meta1'}
-        self.account_client.create_account_metadata(metadata_1)
+        self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata_1)
         metadata_2 = {'test-account-meta2': 'Meta2'}
-        resp, body = self.account_client.create_and_delete_account_metadata(
-            metadata_2,
-            metadata_1)
+        resp, body = (
+            self.account_client.create_update_or_delete_account_metadata(
+                create_update_metadata=metadata_2,
+                delete_metadata=metadata_1))
         self.assertHeaders(resp, 'Account', 'POST')
 
         resp, _ = self.account_client.list_account_metadata()
@@ -353,4 +364,5 @@
         self.assertEqual(resp['x-account-meta-test-account-meta2'],
                          metadata_2['test-account-meta2'])
 
-        self.account_client.delete_account_metadata(metadata_2)
+        self.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=metadata_2)
diff --git a/tempest/api/object_storage/test_object_formpost.py b/tempest/api/object_storage/test_object_formpost.py
index c100629..3a2233a 100644
--- a/tempest/api/object_storage/test_object_formpost.py
+++ b/tempest/api/object_storage/test_object_formpost.py
@@ -37,7 +37,8 @@
 
         cls.key = 'Meta'
         cls.metadata = {'Temp-URL-Key': cls.key}
-        cls.account_client.create_account_metadata(metadata=cls.metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=cls.metadata)
 
     def setUp(self):
         super(ObjectFormPostTest, self).setUp()
@@ -53,7 +54,8 @@
 
     @classmethod
     def resource_cleanup(cls):
-        cls.account_client.delete_account_metadata(metadata=cls.metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=cls.metadata)
         cls.delete_containers()
         super(ObjectFormPostTest, cls).resource_cleanup()
 
diff --git a/tempest/api/object_storage/test_object_formpost_negative.py b/tempest/api/object_storage/test_object_formpost_negative.py
index cfa1875..c56d91a 100644
--- a/tempest/api/object_storage/test_object_formpost_negative.py
+++ b/tempest/api/object_storage/test_object_formpost_negative.py
@@ -38,7 +38,8 @@
 
         cls.key = 'Meta'
         cls.metadata = {'Temp-URL-Key': cls.key}
-        cls.account_client.create_account_metadata(metadata=cls.metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=cls.metadata)
 
     def setUp(self):
         super(ObjectFormPostNegativeTest, self).setUp()
@@ -54,7 +55,8 @@
 
     @classmethod
     def resource_cleanup(cls):
-        cls.account_client.delete_account_metadata(metadata=cls.metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=cls.metadata)
         cls.delete_containers()
         super(ObjectFormPostNegativeTest, cls).resource_cleanup()
 
diff --git a/tempest/api/object_storage/test_object_temp_url.py b/tempest/api/object_storage/test_object_temp_url.py
index 912deab..4b506f8 100644
--- a/tempest/api/object_storage/test_object_temp_url.py
+++ b/tempest/api/object_storage/test_object_temp_url.py
@@ -37,7 +37,8 @@
         cls.metadatas = []
         metadata = {'Temp-URL-Key': cls.key}
         cls.metadatas.append(metadata)
-        cls.account_client.create_account_metadata(metadata=metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
 
         # create an object
         cls.object_name, cls.content = cls.create_object(cls.container_name)
@@ -45,8 +46,8 @@
     @classmethod
     def resource_cleanup(cls):
         for metadata in cls.metadatas:
-            cls.account_client.delete_account_metadata(
-                metadata=metadata)
+            cls.account_client.create_update_or_delete_account_metadata(
+                delete_metadata=metadata)
 
         cls.delete_containers()
 
@@ -110,7 +111,8 @@
     def test_get_object_using_temp_url_key_2(self):
         key2 = 'Meta2-'
         metadata = {'Temp-URL-Key-2': key2}
-        self.account_client.create_account_metadata(metadata=metadata)
+        self.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=metadata)
         self.metadatas.append(metadata)
 
         # make sure the metadata has been set
diff --git a/tempest/api/object_storage/test_object_temp_url_negative.py b/tempest/api/object_storage/test_object_temp_url_negative.py
index 578249b..f4d63fd 100644
--- a/tempest/api/object_storage/test_object_temp_url_negative.py
+++ b/tempest/api/object_storage/test_object_temp_url_negative.py
@@ -39,14 +39,15 @@
         # update account metadata
         cls.key = 'Meta'
         cls.metadata = {'Temp-URL-Key': cls.key}
-        cls.account_client.create_account_metadata(metadata=cls.metadata)
+        cls.account_client.create_update_or_delete_account_metadata(
+            create_update_metadata=cls.metadata)
         cls.account_client_metadata, _ = \
             cls.account_client.list_account_metadata()
 
     @classmethod
     def resource_cleanup(cls):
-        resp, _ = cls.account_client.delete_account_metadata(
-            metadata=cls.metadata)
+        resp, _ = cls.account_client.create_update_or_delete_account_metadata(
+            delete_metadata=cls.metadata)
 
         cls.delete_containers()
 
diff --git a/tempest/services/object_storage/account_client.py b/tempest/services/object_storage/account_client.py
index 469e58d..5a1737e 100644
--- a/tempest/services/object_storage/account_client.py
+++ b/tempest/services/object_storage/account_client.py
@@ -23,6 +23,32 @@
 
 class AccountClient(rest_client.RestClient):
 
+    def create_update_or_delete_account_metadata(
+            self,
+            create_update_metadata=None,
+            delete_metadata=None,
+            create_update_metadata_prefix='X-Account-Meta-',
+            delete_metadata_prefix='X-Remove-Account-Meta-'):
+        """Creates, Updates or deletes an account metadata entry.
+
+        Account Metadata can be created, updated or deleted based on
+        metadata header or value. For detailed info, please refer to the
+        official API reference:
+        http://developer.openstack.org/api-ref/object-storage/?expanded=create-update-or-delete-account-metadata-detail
+        """
+        headers = {}
+        if create_update_metadata:
+            for key in create_update_metadata:
+                metadata_header_name = create_update_metadata_prefix + key
+                headers[metadata_header_name] = create_update_metadata[key]
+        if delete_metadata:
+            for key in delete_metadata:
+                headers[delete_metadata_prefix + key] = delete_metadata[key]
+
+        resp, body = self.post('', headers=headers, body=None)
+        self.expected_success([200, 204], resp.status)
+        return resp, body
+
     def list_account_metadata(self):
         """HEAD on the storage URL
 
@@ -32,46 +58,6 @@
         self.expected_success(204, resp.status)
         return resp, body
 
-    def create_account_metadata(self, metadata,
-                                metadata_prefix='X-Account-Meta-'):
-        """Creates an account metadata entry."""
-        headers = {}
-        if metadata:
-            for key in metadata:
-                headers[metadata_prefix + key] = metadata[key]
-
-        resp, body = self.post('', headers=headers, body=None)
-        self.expected_success([200, 204], resp.status)
-        return resp, body
-
-    def delete_account_metadata(self, metadata,
-                                metadata_prefix='X-Remove-Account-Meta-'):
-        """Deletes an account metadata entry."""
-
-        headers = {}
-        for item in metadata:
-            headers[metadata_prefix + item] = metadata[item]
-        resp, body = self.post('', headers=headers, body=None)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def create_and_delete_account_metadata(
-            self,
-            create_metadata=None,
-            delete_metadata=None,
-            create_metadata_prefix='X-Account-Meta-',
-            delete_metadata_prefix='X-Remove-Account-Meta-'):
-        """Creates and deletes an account metadata entry."""
-        headers = {}
-        for key in create_metadata:
-            headers[create_metadata_prefix + key] = create_metadata[key]
-        for key in delete_metadata:
-            headers[delete_metadata_prefix + key] = delete_metadata[key]
-
-        resp, body = self.post('', headers=headers, body=None)
-        self.expected_success(204, resp.status)
-        return resp, body
-
     def list_account_containers(self, params=None):
         """GET on the (base) storage URL