diff --git a/app-emulation/86Box/86Box-5.3.ebuild b/app-emulation/86Box/86Box-6.0.ebuild
similarity index 95%
rename from app-emulation/86Box/86Box-5.3.ebuild
rename to app-emulation/86Box/86Box-6.0.ebuild
index 5c9495e0ba937..7342ca18e79bd 100644
--- a/app-emulation/86Box/86Box-5.3.ebuild
+++ b/app-emulation/86Box/86Box-6.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -47,8 +47,6 @@ BDEPEND="
 	qt6? ( kde-frameworks/extra-cmake-modules )
 "
 
-PATCHES=( "${FILESDIR}/${PN}-5.3-fallthrough-define-available-in-C-code.patch" )
-
 src_configure() {
 	# LTO needs to be filtered
 	# See https://bugs.gentoo.org/854507
diff --git a/app-emulation/86Box/Manifest b/app-emulation/86Box/Manifest
index 70e22d3b6637d..8f2999d071cf5 100644
--- a/app-emulation/86Box/Manifest
+++ b/app-emulation/86Box/Manifest
@@ -1 +1 @@
-DIST 86Box-5.3.tar.gz 14001417 BLAKE2B a70679787fc7a601afa7ac3b69f4bb58afa2939d7a876048c6b944bdcb3affbc58ac8bfbe1e95088eaa93bf872172068bc0421602465d2a352d9674fcc255c41 SHA512 120fbf7544cc91dd9f7b75027cd6219084aa71e97e8ef2ad105ac8ccc7bea2a9290c2d124461da0192c3000c0459fe65c1fd361342de33b06c80616592f52f84
+DIST 86Box-6.0.tar.gz 17170254 BLAKE2B 68eca4509c09de991977eb1305b38c897e3cb2dca148fae231909d5cad0726f7bd56f697d95bdba931b63afda3a2817d8756238adeada4bebbf20c6c5238f7f3 SHA512 7c85d3713b73e818b89252474400a6470890648c2b89e8a03309dd2b654b0b25e02664776bc0ccfe821539ee832f0816ec8b222df7a8d137c4f44692aa3b4ca0
diff --git a/app-emulation/86Box/files/86Box-5.3-fallthrough-define-available-in-C-code.patch b/app-emulation/86Box/files/86Box-5.3-fallthrough-define-available-in-C-code.patch
deleted file mode 100644
index c08c028824184..0000000000000
--- a/app-emulation/86Box/files/86Box-5.3-fallthrough-define-available-in-C-code.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-From 0092ce15de3efac108b961882f870a8c05e8c38f Mon Sep 17 00:00:00 2001
-From: OBattler <oubattler@gmail.com>
-Date: Mon, 22 Dec 2025 22:56:10 +0100
-Subject: [PATCH] Only make the fallthrough define available in C code, fixes
- #6607.
-
----
- src/include/86box/plat.h | 12 +++++++-----
- 1 file changed, 7 insertions(+), 5 deletions(-)
-
-diff --git a/src/include/86box/plat.h b/src/include/86box/plat.h
-index dcf7e4d5306..cbc348709ec 100644
---- a/src/include/86box/plat.h
-+++ b/src/include/86box/plat.h
-@@ -90,16 +90,12 @@ extern int strnicmp(const char *s1, const char *s2, size_t n);
- #    include <atomic>
- #    define atomic_flag_t std::atomic_flag
- #    define atomic_bool_t std::atomic_bool
-+
- extern "C" {
- #else
- #    include <stdatomic.h>
- #    define atomic_flag_t atomic_flag
- #    define atomic_bool_t atomic_bool
--#endif
--
--#if defined(_MSC_VER)
--#    define ssize_t intptr_t
--#endif
- 
- #ifdef _MSC_VER
- # define fallthrough do {} while (0) /* fallthrough */
-@@ -114,6 +110,12 @@ extern "C" {
- # endif
- #endif
- 
-+#endif
-+
-+#if defined(_MSC_VER)
-+#    define ssize_t intptr_t
-+#endif
-+
- /* Global variables residing in the platform module. */
- extern int          dopause;       /* system is paused */
- extern int          mouse_capture; /* mouse is captured in app */