diff --git a/api-ref/source/v3/projects.inc b/api-ref/source/v3/projects.inc
index 3347db8e0..b926188a1 100644
--- a/api-ref/source/v3/projects.inc
+++ b/api-ref/source/v3/projects.inc
@@ -309,110 +309,3 @@ Request Parameters
 .. rest_parameters:: parameters.yaml
 
    - project_id: project_id_path
-
-
-Enable or disable project and its subtree
-=========================================
-
-.. rest_method::  PATCH /v3/projects/{project_id}/cascade
-
-Relationship: ``http://docs.openstack.org/api/openstack-identity/3/rel/project``
-
-(Since Identity API v3.7) Enables or disables a project and its entire subtree.
-
-A project subtree includes all projects beneath the parent project
-in the hierarchy.
-
-If you include attributes other than the ``enabled`` attribute,
-this call fails and returns the ``Bad Request (400)`` response
-code.
-
-If you perform this action against a project that acts as a domain
-(``is_domain`` is set to ``true``), this call fails and returns the
-``Forbidden (403)`` response code.
-
-Response Codes
---------------
-
-.. rest_status_code:: success status.yaml
-
-   - 200
-
-.. rest_status_code:: error status.yaml
-
-   - 400
-   - 401
-   - 403
-   - 404
-   - 409
-
-Request Parameters
-------------------
-
-.. rest_parameters:: parameters.yaml
-
-   - project_id: project_id_path
-   - project: project
-   - enabled: project_enabled_cascade_request_body
-
-Request Example
----------------
-
-.. literalinclude:: ./samples/admin/project-enable-request.json
-   :language: javascript
-
-Response Parameters
--------------------
-
-.. rest_parameters:: parameters.yaml
-
-   - project: project
-   - is_domain: is_domain_response_body
-   - description: project_description_response_body
-   - domain_id: project_domain_id_response_body
-   - enabled: project_enabled_response_body
-   - id: project_id
-   - name: project_name_response_body
-   - links: link_response_body
-   - parent_id: project_parent_id_response_body
-
-Response Example
-----------------
-
-.. literalinclude:: ./samples/admin/project-update-response.json
-   :language: javascript
-
-
-Delete project subtree
-======================
-
-.. rest_method::  DELETE /v3/projects/{project_id}/cascade
-
-Relationship: ``http://docs.openstack.org/api/openstack-identity/3/rel/project``
-
-(Since Identity API v3.7) Deletes a project and its entire subtree.
-
-A project subtree includes all projects beneath the parent project
-in the hierarchy. You must disable all the projects in the subtree
-before you perform this operation.
-
-Response Codes
---------------
-
-.. rest_status_code:: success status.yaml
-
-   - 204
-
-.. rest_status_code:: error status.yaml
-
-   - 400
-   - 401
-   - 403
-   - 404
-
-Request Parameters
-------------------
-
-.. rest_parameters:: parameters.yaml
-
-   - project_id: project_id_path