diff --git a/bin/doc-tools-update-cli-reference b/bin/doc-tools-update-cli-reference
index 192b4841..c19f5c96 100755
--- a/bin/doc-tools-update-cli-reference
+++ b/bin/doc-tools-update-cli-reference
@@ -15,7 +15,7 @@
 if [[ $# -ne 1 ]]; then
     echo "usage: $0 PROJECT"
     echo
-    echo "PROJECT = something like openstack, nova, or neutron"
+    echo "PROJECT = something like nova, neutron or glance"
     exit 1
 fi
 
@@ -59,16 +59,6 @@ if [[ $project == 'gnocchi' ]]; then
 else
     pip install --upgrade python-${project}client
 fi
-# python-openstackclient has plugin interface.
-# It needs to install plugin packages
-# (i.e. python-ironicclient).
-osc_plugins=(barbican congress designate heat ironic ironic-inspector- sahara zaqar)
-if [[ $project == 'openstack' ]]; then
-    for p in "${osc_plugins[@]}"
-    do
-        pip install --upgrade python-${p}client
-    done
-fi
 
 rm -rf output
 mkdir output
diff --git a/os_doc_tools/commands.py b/os_doc_tools/commands.py
index dbc08326..2b7a33f4 100644
--- a/os_doc_tools/commands.py
+++ b/os_doc_tools/commands.py
@@ -100,13 +100,9 @@ def generate_heading(os_command, api_name, title,
         os_file.write("   For a Python library, continue using\n")
         os_file.write("   python-" + os_command + "client.\n\n")
 
-    if os_command == "openstack":
-        os_file.write("The openstack client is a common OpenStack")
-        os_file.write("command-line interface (CLI).\n\n")
-    else:
-        os_file.write("The " + os_command + " client is the command-line ")
-        os_file.write("interface (CLI) for\n")
-        os_file.write("the " + api_name + " and its extensions.\n\n")
+    os_file.write("The " + os_command + " client is the command-line ")
+    os_file.write("interface (CLI) for\n")
+    os_file.write("the " + api_name + " and its extensions.\n\n")
 
     os_file.write("This chapter documents :command:`" + os_command + "` ")
     os_file.write("version ``" + version + "``.\n\n")
@@ -686,26 +682,6 @@ def document_single_project(os_command, output_dir, continue_on_error):
         out_file.write("   export OS_VOLUME_API_VERSION=1\n\n")
 
         out_file.write("This chapter describes the commands with API v2.\n\n")
-    elif os_command == 'openstack':
-        format_heading("OpenStack with Identity API v3 commands", 2, out_file)
-
-        out_file.write(".. important::\n\n")
-        out_file.write("   OpenStack Identity API v2 is deprecated in\n")
-        out_file.write("   the Mitaka release and later.\n\n")
-        out_file.write("   You can select the Identity API version to use\n")
-        out_file.write("   by adding the\n")
-        out_file.write("   :option:`--os-identity-api-version`\n")
-        out_file.write("   parameter or by setting the corresponding\n")
-        out_file.write("   environment variable:\n\n")
-
-        out_file.write("   .. code-block:: console\n\n")
-        out_file.write("      export OS_IDENTITY_API_VERSION=3\n\n")
-
-        extra_params = ["--os-auth-type", "token"]
-        subcommands = discover_subcommands(os_command, subcommands,
-                                           extra_params)
-        generate_subcommands(os_command, out_file, subcommands,
-                             extra_params, "", "")
     elif os_command == 'glance':
         format_heading("Image service API v2 commands", 2, out_file)
 
diff --git a/releasenotes/notes/unsupport-osc-cli-ref-191b42b312f1ce89.yaml b/releasenotes/notes/unsupport-osc-cli-ref-191b42b312f1ce89.yaml
new file mode 100644
index 00000000..170dc96d
--- /dev/null
+++ b/releasenotes/notes/unsupport-osc-cli-ref-191b42b312f1ce89.yaml
@@ -0,0 +1,4 @@
+---
+other:
+  - Unsupport OpenStackClient in CLI Reference
+    in favor of docs in the OSC project itself.