diff --git a/doc/index.rst b/doc/index.rst
index 9b3eb3f1..9b310f76 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -5,8 +5,8 @@ This is the documentation for the `FOSHttpCache library <https://github.com/Frie
 
 .. note::
 
-    This documentation is for the 2.* version of the library. For the 1.*
-    version, please refer to the `1.4 documentation`_.
+    This documentation is for the 3.* version of the library. For the 2.*
+    version, please refer to the `2.x documentation`_.
 
 This library integrates your PHP applications with HTTP caching proxies such as
 Varnish, NGINX or the Symfony HttpCache class. Use this library to send
@@ -34,4 +34,4 @@ Contents:
     testing-your-application
     contributing
 
-.. _1.4 documentation: http://foshttpcache.readthedocs.io/en/1.4/
+.. _2.x documentation: https://foshttpcache.readthedocs.io/en/2.x/
diff --git a/doc/symfony-cache-configuration.rst b/doc/symfony-cache-configuration.rst
index f08bc98a..cc64ce3f 100644
--- a/doc/symfony-cache-configuration.rst
+++ b/doc/symfony-cache-configuration.rst
@@ -178,11 +178,6 @@ one of ``client_ips`` or ``client_matcher``*.
 Tagging
 ~~~~~~~
 
-.. versionadded:: 2.1
-
-    Support for tag invalidation with Symfony HttpCache has been added in
-    version 2.1.
-
 To support :doc:`cache tags <response-tagging>`, require the additional package
 ``toflar/psr6-symfony-http-cache-store:^1.0`` with composer and register the
 ``PurgeTagsListener`` in your cache kernel. The purge listener needs your cache
diff --git a/doc/testing-your-application.rst b/doc/testing-your-application.rst
index 3e449d3a..231d2d36 100644
--- a/doc/testing-your-application.rst
+++ b/doc/testing-your-application.rst
@@ -14,12 +14,6 @@ extend your own (or your framework’s) base test classes. For convenience, you
 can also extend the FOSHttpCache base test class suitable for your proxy
 server, which includes a sensible set of traits.
 
-.. versionadded:: 2.1
-
-    The testing has been updated to support PHPUnit 6 in version 2.1. If you
-    an older version of FOSHttpCache and want to use the features described in
-    this chapter, you need to use PHPUnit 5 to run the tests.
-
 By using the traits, you get:
 
 * independent tests: all previously cached content is removed in the test’s