diff --git a/core/lib/Drupal/Core/Extension/ThemeInstaller.php b/core/lib/Drupal/Core/Extension/ThemeInstaller.php
index fdcb6ed931cea8ec818bce0d46c368a23159a513..860d79fe8d4e2baa22dd7684300aca98e01ee0b8 100644
--- a/core/lib/Drupal/Core/Extension/ThemeInstaller.php
+++ b/core/lib/Drupal/Core/Extension/ThemeInstaller.php
@@ -266,9 +266,6 @@ public function uninstall(array $theme_list) {
       }
       // Base themes cannot be uninstalled if sub themes are installed, and if
       // they are not uninstalled at the same time.
-      // @todo https://www.drupal.org/node/474684 and
-      //   https://www.drupal.org/node/1297856 themes should leverage the module
-      //   dependency system.
       if (!empty($list[$key]->sub_themes)) {
         foreach ($list[$key]->sub_themes as $sub_key => $sub_label) {
           if (isset($list[$sub_key]) && !in_array($sub_key, $theme_list, TRUE)) {