diff --git a/doc/deprecated.rst b/doc/deprecated.rst
index 48535cebb..eef5269c5 100644
--- a/doc/deprecated.rst
+++ b/doc/deprecated.rst
@@ -5,4 +5,14 @@ This document lists deprecated features in Twig 2.x. Deprecated features are
 kept for backward compatibility and removed in the next major release (a
 feature that was deprecated in Twig 2.x is removed in Twig 3.0).
 
-There are no deprecated features for Twig 2.x.
+Final Classes
+-------------
+
+The following classes are marked as ``@final`` in Twig 2 and will be final in
+3.0:
+
+ * ``Twig_Node_Module``
+ * ``Twig_Filter``
+ * ``Twig_Function``
+ * ``Twig_Test``
+ * ``Twig_Profiler_Profile``