diff --git a/src/Composer/Util/Filesystem.php b/src/Composer/Util/Filesystem.php
index a86eab7de..f1c8d38eb 100644
--- a/src/Composer/Util/Filesystem.php
+++ b/src/Composer/Util/Filesystem.php
@@ -294,8 +294,6 @@ class Filesystem
             if (Platform::isWindows()) {
                 usleep(350000);
                 $deleted = @rmdir($path);
-            } elseif (Platform::workaroundFilesystemIssues()) {
-                $deleted = @rmdir($path);
             }
 
             if (!$deleted) {
diff --git a/src/Composer/Util/Platform.php b/src/Composer/Util/Platform.php
index fd0183c43..75b0b06eb 100644
--- a/src/Composer/Util/Platform.php
+++ b/src/Composer/Util/Platform.php
@@ -174,11 +174,7 @@ class Platform
     {
         if (self::isVirtualBoxGuest()) {
             usleep(200000);
-
-            return true;
         }
-
-        return false;
     }
 
     /**