diff --git a/src/Monolog/Registry.php b/src/Monolog/Registry.php
index 245fe4e2..ba04d038 100644
--- a/src/Monolog/Registry.php
+++ b/src/Monolog/Registry.php
@@ -67,7 +67,6 @@ class Registry
      */
     public static function removeLoggerByName($name)
     {
-        self::$loggers[$name] = null;
         unset(self::$loggers[$name]);
     }