diff --git a/core/includes/file.inc b/core/includes/file.inc
index b2439439ad6184991105c6965fb0c5e7dadc9c9a..4207ab30547e2ca40499ecf643c026a76c9b57fd 100644
--- a/core/includes/file.inc
+++ b/core/includes/file.inc
@@ -625,7 +625,6 @@ function file_valid_uri($uri) {
  */
 function file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXISTS_RENAME) {
   $original_source = $source;
-  $original_destination = $destination;
 
   // Assert that the source file actually exists.
   if (!file_exists($source)) {