diff --git a/app/bootstrap.php b/app/bootstrap.php
index a7aea8094f81..7df95934327a 100644
--- a/app/bootstrap.php
+++ b/app/bootstrap.php
@@ -50,17 +50,6 @@
 $mask = file_exists($umaskFile) ? octdec(file_get_contents($umaskFile)) : 002;
 umask($mask);
 
-if (empty($_SERVER['ENABLE_IIS_REWRITES']) || ($_SERVER['ENABLE_IIS_REWRITES'] != 1)) {
-    /*
-     * Unset headers used by IIS URL rewrites.
-     */
-    unset($_SERVER['HTTP_X_REWRITE_URL']);
-    unset($_SERVER['HTTP_X_ORIGINAL_URL']);
-    unset($_SERVER['IIS_WasUrlRewritten']);
-    unset($_SERVER['UNENCODED_URL']);
-    unset($_SERVER['ORIG_PATH_INFO']);
-}
-
 if (
     (!empty($_SERVER['MAGE_PROFILER']) || file_exists(BP . '/var/profiler.flag'))
     && isset($_SERVER['HTTP_ACCEPT'])