diff --git a/plugin/azure_active_directory/readme.txt b/plugin/azure_active_directory/readme.txt
deleted file mode 100644
index c987a07acd..0000000000
--- a/plugin/azure_active_directory/readme.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-<h1 class="page-header">The Azure Active Directory Plugin</h1>
-<p>Allow authentication with Microsoft's Azure Active Directory</p>
-<h3>To configure Azure Active Directory</h3>
-<ul>
-    <li>
-        <a href="https://azure.microsoft.com/en-us/documentation/articles/active-directory-b2c-get-started/">
-            Create an Azure AD B2C tenant
-        </a>
-    </li>
-    <li>
-        <a href="https://azure.microsoft.com/en-us/documentation/articles/active-directory-b2c-app-registration/">
-            Register your application
-        </a>
-    </li>
-    <li>
-        <a href="https://azure.microsoft.com/en-us/documentation/articles/active-directory-b2c-overview/#how-to-articles">
-            Configure Facebook, Google+, Microsoft account, Amazon, and LinkedIn accounts for use in your consumer-facing applications
-        </a>
-    </li>
-</ul>
-<h3>To configure this plugin</h3>
-<ul>
-    <li>Enable</li>
-    <li>Application ID: Enter the Application Id assinged to your app by the Azure portal, e.g. 580e250c-8f26-49d0-bee8-1c078add1609</li>
-    <li>Tenant: Enter the name of your B2C directory, e.g. contoso.onmicrosoft.com</li>
-    <li>Sign up policy: Enter your sign up policy name, e.g. b2c_1_sign_up</li>
-    <li>Sign in policy: Enter your sign in policy name, e.g. b2c_1_sign_in</li>
-    <li>Block name: (Optional) The name to show above the buttons</li>
-</ul>
-<p>And assign a region. Preferably <code>login_bottom</code></p>
diff --git a/plugin/buycourses/readme.txt b/plugin/buycourses/readme.txt
deleted file mode 100644
index 1977b51d84..0000000000
--- a/plugin/buycourses/readme.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-<p>Users can access the purchases catalog to buy courses or sessions (since v2 of this plugin)
-enabled for sale.</p>
-
-<p>If the user is not registered or logged in, he/she will be requested to register/login
-before he/she can resume buying items.</p>
-
-<p>Once the course or session is chosen, shows available payment types (currently only PayPal works)
-and lets the user proceed with the purchase.</p>
-
-<p>Finally, the user receives an e-mail confirming the purchase and him/her is can access to the
-course/session.</p>
diff --git a/plugin/createdrupaluser/readme.txt b/plugin/createdrupaluser/readme.txt
deleted file mode 100644
index 7de9fbc6a8..0000000000
--- a/plugin/createdrupaluser/readme.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-<h1>Create Drupal user</h1>
-<p>Create a user in Drupal website when a user is registered in Chamilo LMS</p>
diff --git a/plugin/resubscription/readme.txt b/plugin/resubscription/readme.txt
deleted file mode 100644
index 53d3045a51..0000000000
--- a/plugin/resubscription/readme.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-<h1>Resubscription</h1>
-<p>Limit session resubscriptions</p>