diff --git a/src/Core.php b/src/Core.php
index aed8bc8c09..599d2b3aac 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -4,7 +4,6 @@ declare(strict_types=1);
 
 namespace PhpMyAdmin;
 
-use DateTimeInterface;
 use DateTimeZone;
 use PhpMyAdmin\Clock\Clock;
 use PhpMyAdmin\Error\ErrorHandler;
@@ -232,7 +231,7 @@ class Core
     public static function getNoCacheHeaders(ClockInterface $clock): array
     {
         $headers = [];
-        $formattedDateTime = $clock->now()->setTimezone(new DateTimeZone('UTC'))->format(DateTimeInterface::RFC7231);
+        $formattedDateTime = $clock->now()->setTimezone(new DateTimeZone('UTC'))->format('D, d M Y H:i:s \G\M\T');
 
         // rfc2616 - Section 14.21
         $headers['Expires'] = $formattedDateTime;