diff --git a/src/Symfony/Component/Intl/Data/Provider/LanguageDataProvider.php b/src/Symfony/Component/Intl/Data/Provider/LanguageDataProvider.php
index b507f25b8f0d0..1b8e77a12f73b 100644
--- a/src/Symfony/Component/Intl/Data/Provider/LanguageDataProvider.php
+++ b/src/Symfony/Component/Intl/Data/Provider/LanguageDataProvider.php
@@ -19,7 +19,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal to be removed in 5.0.
+ * @internal
  */
 class LanguageDataProvider
 {
@@ -38,11 +38,17 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getLanguages()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Languages']);
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getAliases()
     {
         return $this->reader->readEntry($this->path, 'root', ['Aliases']);
@@ -57,6 +63,9 @@ public function getName($language, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $language]);
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {
@@ -75,6 +84,9 @@ public function getNames($displayLocale = null)
         return $languages;
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getAlpha3Code($language)
     {
         return $this->reader->readEntry($this->path, 'meta', ['Alpha2ToAlpha3', $language]);
diff --git a/src/Symfony/Component/Intl/Data/Provider/RegionDataProvider.php b/src/Symfony/Component/Intl/Data/Provider/RegionDataProvider.php
index bf6a634aa200a..1a6d83eff40f4 100644
--- a/src/Symfony/Component/Intl/Data/Provider/RegionDataProvider.php
+++ b/src/Symfony/Component/Intl/Data/Provider/RegionDataProvider.php
@@ -19,7 +19,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal to be removed in 5.0.
+ * @internal
  */
 class RegionDataProvider
 {
@@ -38,6 +38,9 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getRegions()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Regions']);
@@ -52,6 +55,9 @@ public function getName($region, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $region]);
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {
diff --git a/src/Symfony/Component/Intl/Data/Provider/ScriptDataProvider.php b/src/Symfony/Component/Intl/Data/Provider/ScriptDataProvider.php
index 9f1ed1711f186..4f6ab3c156db9 100644
--- a/src/Symfony/Component/Intl/Data/Provider/ScriptDataProvider.php
+++ b/src/Symfony/Component/Intl/Data/Provider/ScriptDataProvider.php
@@ -19,7 +19,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @internal to be removed in 5.0.
+ * @internal
  */
 class ScriptDataProvider
 {
@@ -38,6 +38,9 @@ public function __construct(string $path, BundleEntryReaderInterface $reader)
         $this->reader = $reader;
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getScripts()
     {
         return $this->reader->readEntry($this->path, 'meta', ['Scripts']);
@@ -52,6 +55,9 @@ public function getName($script, $displayLocale = null)
         return $this->reader->readEntry($this->path, $displayLocale, ['Names', $script]);
     }
 
+    /**
+     * @internal to be removed in 5.0.
+     */
     public function getNames($displayLocale = null)
     {
         if (null === $displayLocale) {