diff --git a/core/core.services.yml b/core/core.services.yml
index c56c778..b3d3312 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -1420,7 +1420,7 @@ services:
     class: Drupal\Core\Asset\AssetDumper
   library.discovery:
     class: Drupal\Core\Asset\LibraryDiscovery
-    arguments: ['@library.discovery.collector', '@cache_tags.invalidator']
+    arguments: ['@library.discovery.collector']
   library.discovery.collector:
     class: Drupal\Core\Asset\LibraryDiscoveryCollector
     arguments: ['@cache.discovery', '@lock', '@library.discovery.parser', '@theme.manager']
diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
index 6dd83f7..16c4b0d 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
@@ -25,13 +25,6 @@ class LibraryDiscovery implements LibraryDiscoveryInterface {
   protected $collector;
 
   /**
-   * The cache tag invalidator.
-   *
-   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface
-   */
-  protected $cacheTagInvalidator;
-
-  /**
    * The final library definitions, statically cached.
    *
    * hook_library_info_alter() and hook_js_settings_alter() allows modules
@@ -46,16 +39,9 @@ class LibraryDiscovery implements LibraryDiscoveryInterface {
    *
    * @param \Drupal\Core\Cache\CacheCollectorInterface $library_discovery_collector
    *   The library discovery cache collector.
-   * @param \Drupal\Core\Cache\CacheTagsInvalidatorInterface $cache_tag_invalidator
-   *   The cache tag invalidator.
-   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
-   *   The module handler.
-   * @param \Drupal\Core\Theme\ThemeManagerInterface $theme_manager
-   *   The theme manager.
    */
-  public function __construct(CacheCollectorInterface $library_discovery_collector, CacheTagsInvalidatorInterface $cache_tag_invalidator) {
+  public function __construct(CacheCollectorInterface $library_discovery_collector) {
     $this->collector = $library_discovery_collector;
-    $this->cacheTagInvalidator = $cache_tag_invalidator;
   }
 
   /**
@@ -86,7 +72,8 @@ public function getLibraryByName($extension, $name) {
    * {@inheritdoc}
    */
   public function clearCachedDefinitions() {
-    $this->cacheTagInvalidator->invalidateTags(['library_info']);
+    $this->libraryDefinitions = [];
+    $this->collector->clear();
   }
 
 }