diff --git a/UPGRADE-6.0.md b/UPGRADE-6.0.md
index 0f3b9e29bbd77..18c46c0b55aa8 100644
--- a/UPGRADE-6.0.md
+++ b/UPGRADE-6.0.md
@@ -124,7 +124,6 @@ HttpFoundation
  * Removed the `Request::HEADER_X_FORWARDED_ALL` constant, use either `Request::HEADER_X_FORWARDED_FOR | Request::HEADER_X_FORWARDED_HOST | Request::HEADER_X_FORWARDED_PORT | Request::HEADER_X_FORWARDED_PROTO` or `Request::HEADER_X_FORWARDED_AWS_ELB` or `Request::HEADER_X_FORWARDED_TRAEFIK`constants instead
  * Rename `RequestStack::getMasterRequest()` to `getMainRequest()`
  * Not passing `FILTER_REQUIRE_ARRAY` or `FILTER_FORCE_ARRAY` flags to `InputBag::filter()` when filtering an array will throw `BadRequestException`
- * Removed the `Request::HEADER_X_FORWARDED_ALL` constant
  * Retrieving non-scalar values using `InputBag::get()` will throw `BadRequestException` (use `InputBad::all()` instead to retrieve an array)
  * Passing non-scalar default value as the second argument `InputBag::get()` will throw `\InvalidArgumentException`
  * Passing non-scalar, non-array value as the second argument `InputBag::set()` will throw `\InvalidArgumentException`