diff --git a/novaclient/api_versions.py b/novaclient/api_versions.py
index 796beadc4..b0c41b023 100644
--- a/novaclient/api_versions.py
+++ b/novaclient/api_versions.py
@@ -33,8 +33,6 @@ if not LOG.handlers:
 LEGACY_HEADER_NAME = "X-OpenStack-Nova-API-Version"
 HEADER_NAME = "OpenStack-API-Version"
 SERVICE_TYPE = "compute"
-# key is a deprecated version and value is an alternative version.
-DEPRECATED_VERSIONS = {"1.1": "2"}
 
 _SUBSTITUTIONS = {}
 
@@ -232,13 +230,6 @@ def check_major_version(api_version):
 def get_api_version(version_string):
     """Returns checked APIVersion object"""
     version_string = str(version_string)
-    if version_string in DEPRECATED_VERSIONS:
-        LOG.warning(
-            _("Version %(deprecated_version)s is deprecated, using "
-              "alternative version %(alternative)s instead."),
-            {"deprecated_version": version_string,
-             "alternative": DEPRECATED_VERSIONS[version_string]})
-        version_string = DEPRECATED_VERSIONS[version_string]
     if strutils.is_int_like(version_string):
         version_string = "%s.0" % version_string
 
diff --git a/novaclient/tests/unit/test_client.py b/novaclient/tests/unit/test_client.py
index 81d6d56e8..5f7272803 100644
--- a/novaclient/tests/unit/test_client.py
+++ b/novaclient/tests/unit/test_client.py
@@ -34,10 +34,6 @@ class ClientTest(utils.TestCase):
         output = novaclient.client.get_client_class(2)
         self.assertEqual(output, novaclient.v2.client.Client)
 
-    def test_get_client_class_v1_1(self):
-        output = novaclient.client.get_client_class('1.1')
-        self.assertEqual(output, novaclient.v2.client.Client)
-
     def test_get_client_class_unknown(self):
         self.assertRaises(novaclient.exceptions.UnsupportedVersion,
                           novaclient.client.get_client_class, '0')
diff --git a/novaclient/tests/unit/test_shell.py b/novaclient/tests/unit/test_shell.py
index a6b41ae8b..bb515bfc2 100644
--- a/novaclient/tests/unit/test_shell.py
+++ b/novaclient/tests/unit/test_shell.py
@@ -608,10 +608,6 @@ class ShellTest(utils.TestCase):
     def test_default_service_type(self, mock_client):
         self._test_service_type(None, 'compute', mock_client)
 
-    @mock.patch('novaclient.client.Client')
-    def test_v1_1_service_type(self, mock_client):
-        self._test_service_type('1.1', 'compute', mock_client)
-
     @mock.patch('novaclient.client.Client')
     def test_v2_service_type(self, mock_client):
         self._test_service_type('2', 'compute', mock_client)
diff --git a/releasenotes/notes/remove_api_v_1_1-88b3f18ce1423b46.yaml b/releasenotes/notes/remove_api_v_1_1-88b3f18ce1423b46.yaml
new file mode 100644
index 000000000..5748c5e67
--- /dev/null
+++ b/releasenotes/notes/remove_api_v_1_1-88b3f18ce1423b46.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - remove version 1.1 API support as we only support v2 and v2.1
+    API in nova side now.
+