diff --git a/UPGRADE-2.8.md b/UPGRADE-2.8.md
index 67e1c0e66f18a..95a3c6b77fb91 100644
--- a/UPGRADE-2.8.md
+++ b/UPGRADE-2.8.md
@@ -251,6 +251,9 @@ Form
        <tag name="form.type_extension" extended-type="Symfony\Component\Form\Extension\Core\Type\TextType" />
    </service>
    ```
+   
+ * The class `ArrayKeyChoiceList` was deprecated and will be removed in Symfony
+   3.0. Use `ArrayChoiceList` instead.
 
 Translator
 ----------
diff --git a/UPGRADE-3.0.md b/UPGRADE-3.0.md
index 5b86950fc694d..d6a056a634336 100644
--- a/UPGRADE-3.0.md
+++ b/UPGRADE-3.0.md
@@ -312,6 +312,9 @@ UPGRADE FROM 2.x to 3.0
  * The `Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList` class has been removed in
    favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
 
+ * The `Symfony\Component\Form\ChoiceList\ArrayKeyChoiceList` class has been removed in
+   favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
+
 ### FrameworkBundle
 
  * The `config:debug`, `container:debug`, `router:debug`, `translation:debug`
diff --git a/src/Symfony/Component/Form/ChoiceList/ArrayKeyChoiceList.php b/src/Symfony/Component/Form/ChoiceList/ArrayKeyChoiceList.php
index 7c3c107d0f720..fa2e3973f5867 100644
--- a/src/Symfony/Component/Form/ChoiceList/ArrayKeyChoiceList.php
+++ b/src/Symfony/Component/Form/ChoiceList/ArrayKeyChoiceList.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Form\ChoiceList;
 
+@trigger_error('The '.__NAMESPACE__.'\ArrayKeyChoiceList class is deprecated since version 2.8 and will be removed in 3.0. Use '.__NAMESPACE__.'\ArrayChoiceList instead.', E_USER_DEPRECATED);
+
 use Symfony\Component\Form\Exception\InvalidArgumentException;
 
 /**
diff --git a/src/Symfony/Component/Form/Tests/ChoiceList/ArrayKeyChoiceListTest.php b/src/Symfony/Component/Form/Tests/ChoiceList/ArrayKeyChoiceListTest.php
index 5cbadf6e0fe7b..1f1643158d48d 100644
--- a/src/Symfony/Component/Form/Tests/ChoiceList/ArrayKeyChoiceListTest.php
+++ b/src/Symfony/Component/Form/Tests/ChoiceList/ArrayKeyChoiceListTest.php
@@ -15,6 +15,8 @@
 
 /**
  * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @group legacy
  */
 class ArrayKeyChoiceListTest extends AbstractChoiceListTest
 {