diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index 549a937b589005f8311756e4aff703a241a21f81..9bd37fd17f34042c9c02d96e592979cc7cb0a8d5 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -716,7 +716,6 @@ function drupal_settings_initialize() {
   if (isset($base_url)) {
     // Parse fixed base URL from settings.php.
     $parts = parse_url($base_url);
-    $http_protocol = $parts['scheme'];
     if (!isset($parts['path'])) {
       $parts['path'] = '';
     }