diff --git a/pkgs/applications/emulators/libretro/cores/mupen64plus.nix b/pkgs/applications/emulators/libretro/cores/mupen64plus.nix
index 9040989338c7..cf54e72898ce 100644
--- a/pkgs/applications/emulators/libretro/cores/mupen64plus.nix
+++ b/pkgs/applications/emulators/libretro/cores/mupen64plus.nix
@@ -12,13 +12,13 @@
 }:
 mkLibretroCore {
   core = "mupen64plus-next";
-  version = "0-unstable-2026-03-03";
+  version = "0-unstable-2026-04-02";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "mupen64plus-libretro-nx";
-    rev = "899eaf6d629b264fedc9afd45a5e01895045a90b";
-    hash = "sha256-FxRuCPMT3K0AeXj2/ZwgW7KQgB/iny1a9ydgGqnyfrQ=";
+    rev = "58b9daf940fb43f09c3984c6a7c730f4b4c24861";
+    hash = "sha256-9d1gbDDK2rOt/a9NNRQVJJmiE+UdohM/yPI5WstNmtA=";
   };
 
   # Fix for GCC 14
@@ -39,8 +39,6 @@ mkLibretroCore {
       url = "https://github.com/libretro/mupen64plus-libretro-nx/commit/3c3e7fbc70b8f533c09c964cf468ba5e8d61351c.patch?full_index=1";
       hash = "sha256-PCJLNYhhccnWLcnPaHL6tz+5qdjogJRYfzZIh3r+Vlk=";
     })
-    # Fix for GCC 15. See https://github.com/libretro/GLideN64/pull/1.
-    ./patches/mupen64plus-gcc-15.patch
   ];
 
   extraNativeBuildInputs = [
diff --git a/pkgs/applications/emulators/libretro/cores/patches/mupen64plus-gcc-15.patch b/pkgs/applications/emulators/libretro/cores/patches/mupen64plus-gcc-15.patch
deleted file mode 100644
index e34aec434506..000000000000
--- a/pkgs/applications/emulators/libretro/cores/patches/mupen64plus-gcc-15.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/GLideN64/src/GLideNHQ/TxHiResLoader.h b/GLideN64/src/GLideNHQ/TxHiResLoader.h
-index 4c13651..f887c78 100644
---- a/GLideN64/src/GLideNHQ/TxHiResLoader.h
-+++ b/GLideN64/src/GLideNHQ/TxHiResLoader.h
-@@ -13,6 +13,8 @@
- #define CORRECTFILENAME(str)
- #endif /* OS_WINDOWS */
- 
-+#include <cstdint>
-+
- #include "TxCache.h"
- #include "TxQuantize.h"
- #include "TxImage.h"