core/modules/big_pipe/src/Controller/BigPipeController.php              | 2 --
 .../big_pipe/src/EventSubscriber/HtmlResponseBigPipeSubscriber.php      | 2 --
 .../big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php      | 2 --
 core/modules/big_pipe/src/Render/BigPipe.php                            | 2 --
 core/modules/big_pipe/src/Render/BigPipeInterface.php                   | 2 ++
 core/modules/big_pipe/src/Render/BigPipeResponse.php                    | 2 ++
 .../modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php | 2 --
 core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php        | 2 --
 8 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/core/modules/big_pipe/src/Controller/BigPipeController.php b/core/modules/big_pipe/src/Controller/BigPipeController.php
index 7d8156c..b9f02d0 100644
--- a/core/modules/big_pipe/src/Controller/BigPipeController.php
+++ b/core/modules/big_pipe/src/Controller/BigPipeController.php
@@ -12,8 +12,6 @@
 
 /**
  * Returns responses for BigPipe module routes.
- *
- * @internal
  */
 class BigPipeController {
 
diff --git a/core/modules/big_pipe/src/EventSubscriber/HtmlResponseBigPipeSubscriber.php b/core/modules/big_pipe/src/EventSubscriber/HtmlResponseBigPipeSubscriber.php
index 355d766..f8cef10 100644
--- a/core/modules/big_pipe/src/EventSubscriber/HtmlResponseBigPipeSubscriber.php
+++ b/core/modules/big_pipe/src/EventSubscriber/HtmlResponseBigPipeSubscriber.php
@@ -14,8 +14,6 @@
  *
  * @see \Drupal\big_pipe\Render\BigPipeInterface
  *
- * @internal
- *
  * @todo Refactor once https://www.drupal.org/node/2577631 lands.
  */
 class HtmlResponseBigPipeSubscriber implements EventSubscriberInterface {
diff --git a/core/modules/big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php b/core/modules/big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php
index a08ab22..516aeb4 100644
--- a/core/modules/big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php
+++ b/core/modules/big_pipe/src/EventSubscriber/NoBigPipeRouteAlterSubscriber.php
@@ -8,8 +8,6 @@
 
 /**
  * Sets the '_no_big_pipe' option on select routes.
- *
- * @internal
  */
 class NoBigPipeRouteAlterSubscriber implements EventSubscriberInterface {
 
diff --git a/core/modules/big_pipe/src/Render/BigPipe.php b/core/modules/big_pipe/src/Render/BigPipe.php
index c96e305..348e759 100644
--- a/core/modules/big_pipe/src/Render/BigPipe.php
+++ b/core/modules/big_pipe/src/Render/BigPipe.php
@@ -22,8 +22,6 @@
 
 /**
  * The default BigPipe service.
- *
- * @internal
  */
 class BigPipe implements BigPipeInterface {
 
diff --git a/core/modules/big_pipe/src/Render/BigPipeInterface.php b/core/modules/big_pipe/src/Render/BigPipeInterface.php
index 3b2aa4c..c1baf60 100644
--- a/core/modules/big_pipe/src/Render/BigPipeInterface.php
+++ b/core/modules/big_pipe/src/Render/BigPipeInterface.php
@@ -130,6 +130,8 @@
  * @see \Drupal\big_pipe\Render\Placeholder\BigPipeStrategy
  *
  * @internal
+ *   This object is marked as internal because it should only be used in the
+ *   BigPipe render pipeline.
  */
 interface BigPipeInterface {
 
diff --git a/core/modules/big_pipe/src/Render/BigPipeResponse.php b/core/modules/big_pipe/src/Render/BigPipeResponse.php
index 0ee62b9..b578d8a 100644
--- a/core/modules/big_pipe/src/Render/BigPipeResponse.php
+++ b/core/modules/big_pipe/src/Render/BigPipeResponse.php
@@ -14,6 +14,8 @@
  * @see \Drupal\big_pipe\Render\BigPipeInterface
  *
  * @internal
+ *   This object is marked as internal because it should only be used in the
+ *   BigPipe render pipeline.
  *
  * @todo Will become obsolete with https://www.drupal.org/node/2577631
  */
diff --git a/core/modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php b/core/modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php
index 7c833de..32640c2 100644
--- a/core/modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php
+++ b/core/modules/big_pipe/src/Render/BigPipeResponseAttachmentsProcessor.php
@@ -18,8 +18,6 @@
  *
  * @see \Drupal\Core\Render\HtmlResponseAttachmentsProcessor
  * @see \Drupal\big_pipe\Render\BigPipeInterface
- *
- * @internal
  */
 class BigPipeResponseAttachmentsProcessor extends HtmlResponseAttachmentsProcessor {
 
diff --git a/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php b/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
index e35d222..dab9f8c 100644
--- a/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
+++ b/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
@@ -56,8 +56,6 @@
  * different placeholders are actually replaced.
  *
  * @see \Drupal\big_pipe\Render\BigPipeInterface
- *
- * @internal
  */
 class BigPipeStrategy implements PlaceholderStrategyInterface {