diff --git a/GlobalLogging.php b/GlobalLogging.php
index 724fe81672..117bcb8ed9 100644
--- a/GlobalLogging.php
+++ b/GlobalLogging.php
@@ -76,8 +76,6 @@ static function () {
 // Post construction calls to make for new Logger instances
 $wmgMonologLoggerCalls = [
 	'setTimezone' => [ new DateTimeZone( 'UTC' ) ],
-	// https://phabricator.wikimedia.org/T116550 - Requires Monolog > 1.17.2
-	'useMicrosecondTimestamps' => [ false ],
 ];
 
 $wmgMonologConfig = [