diff --git a/core/lib/Drupal/Core/Entity/EntityLastInstalledSchemaRepository.php b/core/lib/Drupal/Core/Entity/EntityLastInstalledSchemaRepository.php
index aed6a48de6511115a7a4727234affc9745b63063..1b3c096126ceed8bdd946732f25821be5240a419 100644
--- a/core/lib/Drupal/Core/Entity/EntityLastInstalledSchemaRepository.php
+++ b/core/lib/Drupal/Core/Entity/EntityLastInstalledSchemaRepository.php
@@ -41,12 +41,8 @@ class EntityLastInstalledSchemaRepository implements EntityLastInstalledSchemaRe
    * @param \Drupal\Core\Cache\CacheBackendInterface $cache
    *   The cache backend.
    */
-  public function __construct(KeyValueFactoryInterface $key_value_factory, CacheBackendInterface $cache = NULL) {
+  public function __construct(KeyValueFactoryInterface $key_value_factory, CacheBackendInterface $cache) {
     $this->keyValueFactory = $key_value_factory;
-    if (!$cache) {
-      @trigger_error('The cache.discovery service must be passed to EntityLastInstalledSchemaRepository::__construct(), it is required before drupal:10.0.0.', E_USER_DEPRECATED);
-      $cache = \Drupal::cache('discovery');
-    }
     $this->cacheBackend = $cache;
   }
 
diff --git a/core/lib/Drupal/Core/TempStore/SharedTempStore.php b/core/lib/Drupal/Core/TempStore/SharedTempStore.php
index 75ec79a3ae392b791358c17b93d108f1547d160f..089941c8de047dda95e070a401f61d30cd1244f5 100644
--- a/core/lib/Drupal/Core/TempStore/SharedTempStore.php
+++ b/core/lib/Drupal/Core/TempStore/SharedTempStore.php
@@ -103,20 +103,11 @@ class SharedTempStore {
    * @param int $expire
    *   The time to live for items, in seconds.
    */
-  public function __construct(KeyValueStoreExpirableInterface $storage, LockBackendInterface $lock_backend, $owner, RequestStack $request_stack, $current_user = NULL, $expire = 604800) {
+  public function __construct(KeyValueStoreExpirableInterface $storage, LockBackendInterface $lock_backend, $owner, RequestStack $request_stack, AccountProxyInterface $current_user, $expire = 604800) {
     $this->storage = $storage;
     $this->lockBackend = $lock_backend;
     $this->owner = $owner;
     $this->requestStack = $request_stack;
-    if (!$current_user instanceof AccountProxyInterface) {
-      @trigger_error('Calling ' . __METHOD__ . '() without the $current_user argument is deprecated in drupal:9.2.0 and will be required in drupal:10.0.0. See https://www.drupal.org/node/3006268', E_USER_DEPRECATED);
-      if (is_int($current_user)) {
-        // If the $current_user argument is numeric then this object has been
-        // instantiated with the old constructor signature.
-        $expire = $current_user;
-      }
-      $current_user = \Drupal::currentUser();
-    }
     $this->currentUser = $current_user;
     $this->expire = $expire;
   }
diff --git a/core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php b/core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php
index 3972940ddceb7d032212a63af1485e2d05510fd3..c206585f6acb407e18564f86f3fce07837abf13f 100644
--- a/core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php
+++ b/core/lib/Drupal/Core/TempStore/SharedTempStoreFactory.php
@@ -62,19 +62,10 @@ class SharedTempStoreFactory {
    * @param int $expire
    *   The time to live for items, in seconds.
    */
-  public function __construct(KeyValueExpirableFactoryInterface $storage_factory, LockBackendInterface $lock_backend, RequestStack $request_stack, $current_user = NULL, $expire = 604800) {
+  public function __construct(KeyValueExpirableFactoryInterface $storage_factory, LockBackendInterface $lock_backend, RequestStack $request_stack, AccountProxyInterface $current_user, $expire = 604800) {
     $this->storageFactory = $storage_factory;
     $this->lockBackend = $lock_backend;
     $this->requestStack = $request_stack;
-    if (!$current_user instanceof AccountProxyInterface) {
-      @trigger_error('Calling ' . __METHOD__ . '() without the $current_user argument is deprecated in drupal:9.2.0 and will be required in drupal:10.0.0. See https://www.drupal.org/node/3006268', E_USER_DEPRECATED);
-      if (is_int($current_user)) {
-        // If the $current_user argument is numeric then this object has been
-        // instantiated with the old constructor signature.
-        $expire = $current_user;
-      }
-      $current_user = \Drupal::currentUser();
-    }
     $this->currentUser = $current_user;
     $this->expire = $expire;
   }
diff --git a/core/lib/Drupal/Core/Template/TwigExtension.php b/core/lib/Drupal/Core/Template/TwigExtension.php
index 1a75a9a6ac92dcc9d11572ebd1c51f1bd4e03a1f..ef62bbec5e4d54403d5867fa1b5bbe5829769ba6 100644
--- a/core/lib/Drupal/Core/Template/TwigExtension.php
+++ b/core/lib/Drupal/Core/Template/TwigExtension.php
@@ -83,15 +83,11 @@ class TwigExtension extends AbstractExtension {
    * @param \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator
    *   The file URL generator.
    */
-  public function __construct(RendererInterface $renderer, UrlGeneratorInterface $url_generator, ThemeManagerInterface $theme_manager, DateFormatterInterface $date_formatter, FileUrlGeneratorInterface $file_url_generator = NULL) {
+  public function __construct(RendererInterface $renderer, UrlGeneratorInterface $url_generator, ThemeManagerInterface $theme_manager, DateFormatterInterface $date_formatter, FileUrlGeneratorInterface $file_url_generator) {
     $this->renderer = $renderer;
     $this->urlGenerator = $url_generator;
     $this->themeManager = $theme_manager;
     $this->dateFormatter = $date_formatter;
-    if (!$file_url_generator) {
-      @trigger_error('Calling TwigExtension::__construct() without the $file_url_generator argument is deprecated in drupal:9.3.0 and will be required in drupal:10.0.0. See https://www.drupal.org/node/2940031.', E_USER_DEPRECATED);
-      $file_url_generator = \Drupal::service('file_url_generator');
-    }
     $this->fileUrlGenerator = $file_url_generator;
   }
 
diff --git a/core/modules/ckeditor/src/Plugin/Editor/CKEditor.php b/core/modules/ckeditor/src/Plugin/Editor/CKEditor.php
index 923bf91f9bbedd917aad5550b3cdb3646359eaaf..9d36a8e9667c26c1fe91b4c97262b3633997bd5f 100644
--- a/core/modules/ckeditor/src/Plugin/Editor/CKEditor.php
+++ b/core/modules/ckeditor/src/Plugin/Editor/CKEditor.php
@@ -105,22 +105,14 @@ class CKEditor extends EditorBase implements ContainerFactoryPluginInterface {
    * @param \Drupal\Core\Extension\ModuleExtensionList $module_list
    *   The module list service.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, CKEditorPluginManager $ckeditor_plugin_manager, ModuleHandlerInterface $module_handler, LanguageManagerInterface $language_manager, RendererInterface $renderer, StateInterface $state, FileUrlGeneratorInterface $file_url_generator = NULL, ModuleExtensionList $module_list = NULL) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, CKEditorPluginManager $ckeditor_plugin_manager, ModuleHandlerInterface $module_handler, LanguageManagerInterface $language_manager, RendererInterface $renderer, StateInterface $state, FileUrlGeneratorInterface $file_url_generator, ModuleExtensionList $module_list) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->ckeditorPluginManager = $ckeditor_plugin_manager;
     $this->moduleHandler = $module_handler;
     $this->languageManager = $language_manager;
     $this->renderer = $renderer;
     $this->state = $state;
-    if (!$file_url_generator) {
-      @trigger_error('Calling CKEditor::__construct() without the $file_url_generator argument is deprecated in drupal:9.3.0 and will be required before drupal:10.0.0. See https://www.drupal.org/node/2940031', E_USER_DEPRECATED);
-      $file_url_generator = \Drupal::service('file_url_generator');
-    }
     $this->fileUrlGenerator = $file_url_generator;
-    if (!$module_list) {
-      @trigger_error('Calling CKEditor::__construct() without the $module_list argument is deprecated in drupal:9.3.0 and is required in drupal:10.0.0. See https://www.drupal.org/node/2940438', E_USER_DEPRECATED);
-      $module_list = \Drupal::service('extension.list.module');
-    }
     $this->moduleList = $module_list;
   }
 
diff --git a/core/modules/file/src/Plugin/Field/FieldFormatter/BaseFieldFileFormatterBase.php b/core/modules/file/src/Plugin/Field/FieldFormatter/BaseFieldFileFormatterBase.php
index f193d4590890e20fdc7cff0334a9285f31f7c495..e373dfbf2013c34c3e836f2fba4d4af30875b973 100644
--- a/core/modules/file/src/Plugin/Field/FieldFormatter/BaseFieldFileFormatterBase.php
+++ b/core/modules/file/src/Plugin/Field/FieldFormatter/BaseFieldFileFormatterBase.php
@@ -42,12 +42,8 @@ abstract class BaseFieldFileFormatterBase extends FormatterBase {
    * @param \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator
    *   The file URL generator.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, FileUrlGeneratorInterface $file_url_generator = NULL) {
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, FileUrlGeneratorInterface $file_url_generator) {
     parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
-    if (!$file_url_generator) {
-      @trigger_error('Calling BaseFieldFileFormatterBase::__construct() without the $file_url_generator argument is deprecated in drupal:9.3.0 and the $file_url_generator argument will be required in drupal:10.0.0. See https://www.drupal.org/node/2940031', E_USER_DEPRECATED);
-      $file_url_generator = \Drupal::service('file_url_generator');
-    }
     $this->fileUrlGenerator = $file_url_generator;
   }
 
diff --git a/core/modules/file/src/Plugin/views/field/File.php b/core/modules/file/src/Plugin/views/field/File.php
index 6a7e1ed421916331e16455ae419665991d692d02..e00d50d9cfa79b80c610b31addfa219e584f4ace 100644
--- a/core/modules/file/src/Plugin/views/field/File.php
+++ b/core/modules/file/src/Plugin/views/field/File.php
@@ -38,12 +38,8 @@ class File extends FieldPluginBase {
    * @param \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator
    *   The file URL generator.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, FileUrlGeneratorInterface $file_url_generator = NULL) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, FileUrlGeneratorInterface $file_url_generator) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
-    if (!$file_url_generator) {
-      @trigger_error('Calling File::__construct() without the $file_url_generator argument is deprecated in drupal:9.3.0 and the $file_url_generator argument will be required in drupal:10.0.0. See https://www.drupal.org/node/2940031', E_USER_DEPRECATED);
-      $file_url_generator = \Drupal::service('file_url_generator');
-    }
     $this->fileUrlGenerator = $file_url_generator;
   }
 
diff --git a/core/tests/Drupal/Tests/Core/TempStore/SharedTempStoreTest.php b/core/tests/Drupal/Tests/Core/TempStore/SharedTempStoreTest.php
index 75e7119209bab1679eeff67f699023dd1d73450d..e65c644afba533e4496508715fa221080f0f8d82 100644
--- a/core/tests/Drupal/Tests/Core/TempStore/SharedTempStoreTest.php
+++ b/core/tests/Drupal/Tests/Core/TempStore/SharedTempStoreTest.php
@@ -2,11 +2,8 @@
 
 namespace Drupal\Tests\Core\TempStore;
 
-use Drupal\Core\DependencyInjection\ContainerBuilder;
-use Drupal\Core\KeyValueStore\KeyValueExpirableFactoryInterface;
 use Drupal\Core\Session\AccountProxyInterface;
 use Drupal\Core\TempStore\Lock;
-use Drupal\Core\TempStore\SharedTempStoreFactory;
 use Drupal\Tests\UnitTestCase;
 use Drupal\Core\TempStore\SharedTempStore;
 use Drupal\Core\TempStore\TempStoreException;
@@ -377,52 +374,6 @@ public function testSerialization() {
     $this->assertSame($unserializable_request, $request_stack->pop());
   }
 
-  /**
-   * @group legacy
-   */
-  public function testLegacyConstructor() {
-    $this->expectDeprecation('Calling Drupal\Core\TempStore\SharedTempStore::__construct() without the $current_user argument is deprecated in drupal:9.2.0 and will be required in drupal:10.0.0. See https://www.drupal.org/node/3006268');
-
-    $container = new ContainerBuilder();
-    $current_user = $this->createMock(AccountProxyInterface::class);
-    $container->set('current_user', $current_user);
-    \Drupal::setContainer($container);
-    $store = new SharedTempStore($this->keyValue, $this->lock, 2, $this->requestStack, 1000);
-    $reflection_class = new \ReflectionClass(SharedTempStore::class);
-
-    $current_user_property = $reflection_class->getProperty('currentUser');
-    $current_user_property->setAccessible(TRUE);
-    $this->assertSame($current_user, $current_user_property->getValue($store));
-
-    $expire_property = $reflection_class->getProperty('expire');
-    $expire_property->setAccessible(TRUE);
-    $this->assertSame(1000, $expire_property->getValue($store));
-  }
-
-  /**
-   * @group legacy
-   * @covers \Drupal\Core\TempStore\SharedTempStoreFactory::__construct
-   */
-  public function testLegacyFactoryConstructor() {
-    $this->expectDeprecation('Calling Drupal\Core\TempStore\SharedTempStoreFactory::__construct() without the $current_user argument is deprecated in drupal:9.2.0 and will be required in drupal:10.0.0. See https://www.drupal.org/node/3006268');
-
-    $container = new ContainerBuilder();
-    $current_user = $this->createMock(AccountProxyInterface::class);
-    $container->set('current_user', $current_user);
-    \Drupal::setContainer($container);
-    $key_value_factory = $this->prophesize(KeyValueExpirableFactoryInterface::class);
-    $store = new SharedTempStoreFactory($key_value_factory->reveal(), $this->lock, $this->requestStack, 1000);
-    $reflection_class = new \ReflectionClass(SharedTempStoreFactory::class);
-
-    $current_user_property = $reflection_class->getProperty('currentUser');
-    $current_user_property->setAccessible(TRUE);
-    $this->assertSame($current_user, $current_user_property->getValue($store));
-
-    $expire_property = $reflection_class->getProperty('expire');
-    $expire_property->setAccessible(TRUE);
-    $this->assertSame(1000, $expire_property->getValue($store));
-  }
-
 }
 
 /**