diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index ee35c1c79af82a8286442e5ee8e385f7ca01ec9c..89335d0136ff6dcd4e8885f1f747b4c79057119b 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1060,14 +1060,6 @@ function system_requirements($phase) {
     case 'mbstring.encoding_translation':
       $requirements['unicode']['description'] = t('Multibyte string input conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.encoding_translation</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
       break;
-
-    case 'mbstring.http_input':
-      $requirements['unicode']['description'] = t('Multibyte string input conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.http_input</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
-      break;
-
-    case 'mbstring.http_output':
-      $requirements['unicode']['description'] = t('Multibyte string output conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.http_output</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
-      break;
   }
 
   if ($phase == 'runtime') {