diff --git a/ConfirmEdit.php b/ConfirmEdit.php
index 8116e5a0..22cb25fe 100644
--- a/ConfirmEdit.php
+++ b/ConfirmEdit.php
@@ -35,11 +35,11 @@ if ( function_exists( 'wfLoadExtension' ) ) {
 	// Keep i18n globals so mergeMessageFileList.php doesn't break
 	$wgMessagesDirs['ConfirmEdit'] = __DIR__ . '/i18n';
 	$wgExtensionMessagesFiles['ConfirmEditAlias'] = __DIR__ . '/ConfirmEdit.alias.php';
-	/* wfWarn(
+	wfWarn(
 		'Deprecated PHP entry point used for ConfirmEdit extension. ' .
 		'Please use wfLoadExtension instead, ' .
 		'see https://www.mediawiki.org/wiki/Extension_registration for more details.'
-	); */
+	);
 	return;
 } else {
 	die( 'This version of the ConfirmEdit extension requires MediaWiki 1.25+' );