diff --git a/project.rst b/project.rst
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--- a/project.rst
+++ b/project.rst
@@ -9,4 +9,3 @@ Project
 
    project/tasks
    project/planning
-   project/advanced
diff --git a/project/advanced.rst b/project/advanced.rst
deleted file mode 100644
index 7e3914ecc..000000000
--- a/project/advanced.rst
+++ /dev/null
@@ -1,8 +0,0 @@
-========
-Advanced
-========
-
-.. toctree::
-   :titlesonly:
-
-   advanced/feedback
diff --git a/project/advanced/feedback.rst b/project/advanced/feedback.rst
deleted file mode 100644
index 59cf8b6b8..000000000
--- a/project/advanced/feedback.rst
+++ /dev/null
@@ -1,63 +0,0 @@
-==============================
-Gather Feedback from Customers
-==============================
-
-Finding out what your clients think about the experience they have with your company, can inspire
-you to have insights on how to improve your product/service, adjusting your business to fit
-their needs. It shows that you value their opinions and provides a reliable source of information
-to other consumers.
-
-Set up
-======
-
-Go to :menuselection:`Project --> Configuration --> Settings` and enable *Use Rating on Project*.
-
-.. image:: media/rating_project.png
-   :align: center
-   :alt: Enable the feature on settings in Odoo Project
-
-| *Set Email Template to Stages* in order to define the template to be sent at a specific stage(s).
-| Choose an existing template or create one on the fly.
-
-.. image:: media/rating_template.png
-   :align: center
-   :alt: Click on set email template and choose one in Odoo Project
-
-Choosing the projects I want feedback from
-==========================================
-
-| Go to :menuselection:`Project --> Configuration --> Projects --> Edit` and configure the wanted
-  projects to have the email template previously set sent, by the change of a stage or periodically.
-| Enable *Rating visible publicly* if you would like to publish the ratings in order to communicate
-  them to a customer, prospect or the rest of your team.
-
-.. image:: media/customer_rating.png
-   :align: center
-   :height: 370
-   :alt: View of a project's form to choose the customer rating in Odoo Project
-
-.. tip::
-   See the customer rating email sent under the *Log notes* of your task.
-
-   .. image:: media/rating_chatter.png
-      :align: center
-      :alt: View of the chatter and the rating email sent to the customer in Odoo Project
-
-Get reports
-===========
-
-Under :menuselection:`Project --> Reporting --> Customer Ratings` see ratings by task.
-
-.. image:: media/rating_report.png
-   :align: center
-   :alt: View fo the customer rating report in Odoo Project
-
-Clicking on the percentage of happy ratings over the last 30 days in the *Projects* overview,
-redirects you to your website with more rating details.
-
-.. image:: media/percentage_happy.png
-   :align: center
-   :height: 300
-   :alt: Project overview shows the percentage of happy ratings in Odoo Project
-
-
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