diff --git a/extension.json b/extension.json
index 34065b813..528226988 100644
--- a/extension.json
+++ b/extension.json
@@ -437,7 +437,6 @@
 		"ResourceLoaderGetConfigVars": "resourceloader",
 		"GetBetaFeaturePreferences": "betapreferences",
 		"GetPreferences": "preferences",
-		"LocalUserCreated": "preferences",
 		"DiscussionToolsAddOverflowMenuItems": "discussiontools",
 		"ChangeTagsListActive": "tags",
 		"ListDefinedTags": "tags",
diff --git a/includes/Hooks/PreferenceHooks.php b/includes/Hooks/PreferenceHooks.php
index 52faabd8b..d233c9abb 100644
--- a/includes/Hooks/PreferenceHooks.php
+++ b/includes/Hooks/PreferenceHooks.php
@@ -9,18 +9,15 @@
 
 namespace MediaWiki\Extension\DiscussionTools\Hooks;
 
-use MediaWiki\Auth\Hook\LocalUserCreatedHook;
 use MediaWiki\Config\Config;
 use MediaWiki\Config\ConfigFactory;
 use MediaWiki\Html\Html;
 use MediaWiki\Linker\LinkRenderer;
-use MediaWiki\MediaWikiServices;
 use MediaWiki\Preferences\Hook\GetPreferencesHook;
 use MediaWiki\SpecialPage\SpecialPage;
 use MediaWiki\User\User;
 
 class PreferenceHooks implements
-	LocalUserCreatedHook,
 	GetPreferencesHook
 {
 
@@ -207,27 +204,4 @@ class PreferenceHooks implements
 		}
 	}
 
-	/**
-	 * Handler for LocalUserCreated hook.
-	 * @see https://www.mediawiki.org/wiki/Manual:Hooks/LocalUserCreated
-	 * @param User $user User object for the created user
-	 * @param bool $autocreated Whether this was an auto-creation
-	 * @return bool|void True or no return value to continue or false to abort
-	 */
-	public function onLocalUserCreated( $user, $autocreated ) {
-		if ( $user->isTemp() ) {
-			// Temp users can't have preferences (and we don't let them have topic subscriptions anyway)
-			return;
-		}
-
-		$userOptionsManager = MediaWikiServices::getInstance()->getUserOptionsManager();
-		// The auto topic subscription feature is disabled by default for existing users, but
-		// we enable it for new users (T294398).
-		// This can only occur when the feature is available for everyone; when it's in beta,
-		// the new user won't have the beta enabled, so it'll never be available here.
-		if ( HookUtils::isFeatureAvailableToUser( $user, HookUtils::AUTOTOPICSUB ) ) {
-			$userOptionsManager->setOption( $user, 'discussiontools-' . HookUtils::AUTOTOPICSUB, 1 );
-		}
-	}
-
 }