diff --git a/games-simulation/openrct2/files/openrct2-0.4.21-libcxx-21-cstdlib.patch b/games-simulation/openrct2/files/openrct2-0.4.21-libcxx-21-cstdlib.patch
deleted file mode 100644
index a0b63171621a..000000000000
--- a/games-simulation/openrct2/files/openrct2-0.4.21-libcxx-21-cstdlib.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-From https://github.com/OpenRCT2/OpenRCT2/commit/1abd50ff1ff75360c9ad77ec07be15d97d7d643a Mon Sep 17 00:00:00 2001
-From: Violet Purcell <66446404+vimproved@users.noreply.github.com>
-Date: Thu, 7 Aug 2025 16:03:03 -0400
-Subject: [PATCH] Add explicit <cstdlib> include to Range.hpp (#24918)
-
-LLVM libc++ 21 shuffled around some includes internally, causing cstdlib
-to no longer be transitively included here. Explicitly include it for
-size_t.
---- a/src/openrct2/core/Range.hpp
-+++ b/src/openrct2/core/Range.hpp
-@@ -10,6 +10,7 @@
- #pragma once
- 
- #include <cmath>
-+#include <cstdlib>
- #include <type_traits>
- 
- template<typename T>