diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php b/core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php
index a5a0ad3a840..a4ec33615a5 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php
@@ -51,14 +51,14 @@ class LibraryDiscoveryCollector extends CacheCollector {
   /**
    * Constructs a CacheCollector object.
    *
+   * @param string $cid
+   *   The cid for the array being cached.
    * @param \Drupal\Core\Cache\CacheBackendInterface $cache
    *   The cache backend.
    * @param \Drupal\Core\Lock\LockBackendInterface $lock
    *   The lock backend.
    * @param \Drupal\Core\Asset\LibraryDiscoveryParser $discovery_parser
    *   The library discovery parser.
-   * @param \Drupal\Core\Theme\ThemeManagerInterface $theme_manager
-   *   The theme manager.
    */
   public function __construct(CacheBackendInterface $cache, LockBackendInterface $lock, LibraryDiscoveryParser $discovery_parser, ThemeManagerInterface $theme_manager) {
     $this->themeManager = $theme_manager;
diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php b/core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
index f25b7b03bc1..9d6e796e9ee 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
@@ -50,8 +50,6 @@ class LibraryDiscoveryParser {
    *   The app root.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler.
-   * @param \Drupal\Core\Theme\ThemeManagerInterface $theme_manager
-   *   The theme manager.
    */
   public function __construct($root, ModuleHandlerInterface $module_handler, ThemeManagerInterface $theme_manager) {
     $this->root = $root;