symfony
diff --git a/‎book/installation.rst
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diff --git a/‎book/security.rst
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diff --git a/‎contributing/code/security.rst
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@@ -288,18 +288,6 @@ them all at once:
 Depending on the complexity of your project, this update process can take up to
 several minutes to complete.
 
-.. tip::
-
-    Symfony provides a command to check whether your project's dependencies
-    contain any know security vulnerability:
-
-    .. code-block:: bash
-
-        $ php app/console security:check
-
-    A good security practice is to execute this command regularly to be able to
-    update or replace compromised dependencies as soon as possible.
-
 .. _installing-a-symfony2-distribution:
 
 Installing a Symfony Distribution
 
@@ -1234,34 +1234,6 @@ cookie will be ever created by Symfony):
 
 .. _book-security-checking-vulnerabilities:
 
-Checking for Known Security Vulnerabilities in Dependencies
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. versionadded:: 2.5
-    The ``security:check`` command was introduced in Symfony 2.5. This command is
-    included in ``SensioDistributionBundle``, which has to be registered in your
-    application in order to use this command.
-
-When using lots of dependencies in your Symfony projects, some of them may
-contain security vulnerabilities. That's why Symfony includes a command called
-``security:check`` that checks your ``composer.lock`` file to find any known
-security vulnerability in your installed dependencies:
-
-.. code-block:: bash
-
-    $ php app/console security:check
-
-A good security practice is to execute this command regularly to be able to
-update or replace compromised dependencies as soon as possible. Internally,
-this command uses the public `security advisories database`_ published by the
-FriendsOfPHP organization.
-
-.. tip::
-
-    The ``security:check`` command terminates with a non-zero exit code if
-    any of your dependencies is affected by a known security vulnerability.
-    Therefore, you can easily integrate it in your build process.
-
 Final Words
 -----------
 
@@ -1290,4 +1262,3 @@ Learn more from the Cookbook
 
 .. _`online tool`: https://www.dailycred.com/blog/12/bcrypt-calculator
 .. _`frameworkextrabundle documentation`: http://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/index.html
-.. _`security advisories database`: https://github.com/FriendsOfPHP/security-advisories
@@ -38,8 +38,6 @@ confirmed, the core-team works on a solution following these steps:
 #. Publish the post on the official Symfony `blog`_ (it must also be added to
    the "`Security Advisories`_" category);
 #. Update the security advisory list (see below).
-#. Update the public `security advisories database`_ maintained by the
-   FriendsOfPHP organization and which is used by the ``security:check`` command.
 
 .. note::
 
@@ -95,11 +93,6 @@ of the downstream projects included in this process:
 Security Advisories
 -------------------
 
-.. tip::
-
-    You can check your Symfony application for known security vulnerabilities
-    using the ``security:check`` command. See :ref:`book-security-checking-vulnerabilities`.
-
 This section indexes security vulnerabilities that were fixed in Symfony
 releases, starting from Symfony 1.0.0:
 
@@ -129,4 +122,3 @@ releases, starting from Symfony 1.0.0:
 .. _Git repository: https://github.com/symfony/symfony
 .. _blog: http://symfony.com/blog/
 .. _Security Advisories: http://symfony.com/blog/category/security-advisories
-.. _`security advisories database`: https://github.com/FriendsOfPHP/security-advisories