diff --git a/src/Composer/Installer/BinaryInstaller.php b/src/Composer/Installer/BinaryInstaller.php
index e33a5061c..ba50fe17f 100644
--- a/src/Composer/Installer/BinaryInstaller.php
+++ b/src/Composer/Installer/BinaryInstaller.php
@@ -359,11 +359,6 @@ namespace Composer;
 
 $globalsCode
 $streamProxyCode
-
-if (__FILE__ === realpath(\$_SERVER['SCRIPT_NAME'])) {
-    \$_SERVER['SCRIPT_NAME'] = realpath($binPathExported);
-}
-
 return include $binPathExported;
 
 PROXY;
diff --git a/tests/Composer/Test/Installer/BinaryInstallerTest.php b/tests/Composer/Test/Installer/BinaryInstallerTest.php
index 0fe971793..8b6d47243 100644
--- a/tests/Composer/Test/Installer/BinaryInstallerTest.php
+++ b/tests/Composer/Test/Installer/BinaryInstallerTest.php
@@ -110,18 +110,6 @@ EOL
 <?php declare(strict_types=1);
 
 echo 'success '.$_SERVER['argv'][1];
-EOL
-            ],
-            'php file which validates $_SERVER["SCRIPT_NAME"]' => [<<<'EOL'
-<?php
-if (__FILE__ === realpath($_SERVER['SCRIPT_NAME'])) {
-    echo 'success '.$_SERVER['argv'][1];
-} else {
-    fwrite(STDERR, "Test failure: __FILE__ does not match \$_SERVER['SCRIPT_NAME']\n");
-    fwrite(STDERR, "\t__FILE__:\t" . __FILE__ . "\n");
-    fwrite(STDERR, "\t\$_SERVER['SCRIPT_NAME']:\t" . $_SERVER['SCRIPT_NAME'] . "\n");
-    exit(1);
-}
 EOL
             ],
         ];