diff --git a/core/lib/Drupal/Component/Attribute/Attribute.php b/core/lib/Drupal/Component/Attribute/Attribute.php
index 0d2db3b..d83c4ac 100644
--- a/core/lib/Drupal/Component/Attribute/Attribute.php
+++ b/core/lib/Drupal/Component/Attribute/Attribute.php
@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Attribute\Attribute.
- */
-
 namespace Drupal\Component\Attribute;
 
 use Drupal\Component\Render\PlainTextOutput;
diff --git a/core/lib/Drupal/Component/Attribute/AttributeArray.php b/core/lib/Drupal/Component/Attribute/AttributeArray.php
index 085a0aa..ad0d5d6 100644
--- a/core/lib/Drupal/Component/Attribute/AttributeArray.php
+++ b/core/lib/Drupal/Component/Attribute/AttributeArray.php
@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Attribute\AttributeArray.
- */
-
 namespace Drupal\Component\Attribute;
 
 use Drupal\Component\Utility\Html;
diff --git a/core/lib/Drupal/Component/Attribute/AttributeBoolean.php b/core/lib/Drupal/Component/Attribute/AttributeBoolean.php
index 29e35f9..d2cf928 100644
--- a/core/lib/Drupal/Component/Attribute/AttributeBoolean.php
+++ b/core/lib/Drupal/Component/Attribute/AttributeBoolean.php
@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Attribute\AttributeBoolean.
- */
-
 namespace Drupal\Component\Attribute;
 
 use Drupal\Component\Utility\Html;
diff --git a/core/lib/Drupal/Component/Attribute/AttributeString.php b/core/lib/Drupal/Component/Attribute/AttributeString.php
index 44c5319..fc059f6 100644
--- a/core/lib/Drupal/Component/Attribute/AttributeString.php
+++ b/core/lib/Drupal/Component/Attribute/AttributeString.php
@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Attribute\AttributeString.
- */
-
 namespace Drupal\Component\Attribute;
 
 use Drupal\Component\Utility\Html;
diff --git a/core/lib/Drupal/Component/Attribute/AttributeValueBase.php b/core/lib/Drupal/Component/Attribute/AttributeValueBase.php
index 0b17627..b05bb19 100644
--- a/core/lib/Drupal/Component/Attribute/AttributeValueBase.php
+++ b/core/lib/Drupal/Component/Attribute/AttributeValueBase.php
@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Component\Attribute\AttributeValueBase.
- */
-
 namespace Drupal\Component\Attribute;
 use Drupal\Component\Utility\Html;