diff --git a/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php b/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php
index 0573ddf..d12522a 100644
--- a/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php
+++ b/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php
@@ -172,8 +172,6 @@ public function renderResponse(array $main_content, Request $request, RouteMatch
       'X-Drupal-Cache-Contexts' => implode(' ', $this->cacheContexts->optimizeTokens($cache_contexts)),
       'X-Generator' => 'Drupal ' . $version . ' (https://www.drupal.org)'
     ]);
-    // If an explicit non-infinite max-age is specified by a part of the page,
-    // respect that by applying it to the response's headers.
     return $response;
   }