diff --git a/media-libs/avidemux-core/Manifest b/media-libs/avidemux-core/Manifest
index 0f2afc1b081f8..5d3a6e32a52c3 100644
--- a/media-libs/avidemux-core/Manifest
+++ b/media-libs/avidemux-core/Manifest
@@ -1,2 +1 @@
-DIST avidemux-2.8.1.tar.gz 23207741 BLAKE2B 766ae9b159d2e48a3d14bdfccf9c665b95ed056831b515d53837bf2bae20baf9b01d15d551b62fb96f3c0cf50b0138448a133bc62e6202af744de558e0fbfe4f SHA512 e7105e555e04dd6768336bdb246037e91045de2e1f572ae362d985424def65499c7f25d92d376ea98af09b436d89e9eb4a5424e93b11df14f2d67ac35661a8a3
 DIST avidemux-2.8.1_p20251019.tar.gz 25080573 BLAKE2B a9c25bf6549ceeefc4259a5483de74edc87e30e6c6c0cbc739df254e7e1b5a07b5cb364073c642a2a64d384725ce84a88c5e4178a3d06007e4b697460223ac02 SHA512 ef28dc79b6fd2ab0492132292f066c2b0985364bbd9b3555d9813b0919ff63ba0b05b2c15419037fa67345831068bb2a85a1778b10cff5a40407a64aed114878
diff --git a/media-libs/avidemux-core/avidemux-core-2.8.1-r1.ebuild b/media-libs/avidemux-core/avidemux-core-2.8.1-r1.ebuild
deleted file mode 100644
index 8fc974e1ba29d..0000000000000
--- a/media-libs/avidemux-core/avidemux-core-2.8.1-r1.ebuild
+++ /dev/null
@@ -1,104 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-CMAKE_MAKEFILE_GENERATOR="emake"
-inherit cmake flag-o-matic toolchain-funcs
-
-DESCRIPTION="Core libraries for simple video cutting, filtering and encoding tasks"
-HOMEPAGE="http://fixounet.free.fr/avidemux"
-SRC_URI="https://github.com/mean00/avidemux2/archive/${PV}.tar.gz -> avidemux-${PV}.tar.gz"
-
-# Multiple licenses because of all the bundled stuff.
-# See License.txt.
-LICENSE="GPL-2 MIT PSF-2 LGPL-2 OFL-1.1"
-SLOT="2.7"
-KEYWORDS="~amd64 ~x86"
-IUSE="debug nls nvenc sdl system-ffmpeg vaapi vdpau xv"
-
-# Trying to use virtual; ffmpeg misses aac,cpudetection USE flags now though, are they needed?
-DEPEND="
-	dev-db/sqlite:3
-	virtual/zlib:=
-	nvenc? ( amd64? ( media-libs/nv-codec-headers ) )
-	sdl? ( media-libs/libsdl )
-	system-ffmpeg? ( media-video/ffmpeg:=[lame(-),theora] )
-	vaapi? ( media-libs/libva:= )
-	vdpau? ( x11-libs/libvdpau )
-	xv? ( x11-libs/libXv )
-"
-RDEPEND="
-	${DEPEND}
-	!<media-libs/avidemux-core-${PV}
-	!<media-video/avidemux-${PV}
-	nls? ( virtual/libintl )
-"
-BDEPEND="
-	virtual/pkgconfig
-	nls? ( sys-devel/gettext )
-	!system-ffmpeg? ( dev-lang/yasm[nls=] )
-"
-
-PATCHES=(
-	"${FILESDIR}"/avidemux-core-2.7.6-ffmpeg-flags.patch
-	"${FILESDIR}"/avidemux-core-2.8.1-ffmpeg-2.41.patch
-)
-
-S="${WORKDIR}/avidemux2-${PV}"
-CMAKE_USE_DIR="${S}/${PN/-/_}"
-
-src_prepare() {
-	cmake_src_prepare
-
-	if use system-ffmpeg ; then
-		# Preparations to support the system ffmpeg. Currently fails because
-		# it depends on files the system ffmpeg doesn't install.
-		local error="Failed to remove bundled ffmpeg."
-
-		rm -r cmake/admFFmpeg* cmake/ffmpeg* avidemux_core/ffmpeg_package buildCore/ffmpeg || die "${error}"
-		sed -e 's/include(admFFmpegUtil)//g' -e '/registerFFmpeg/d' -i avidemux/commonCmakeApplication.cmake || die "${error}"
-		sed -e 's/include(admFFmpegBuild)//g' -i avidemux_core/CMakeLists.txt || die "${error}"
-	else
-		local ffmpeg_args=(
-			--cc=$(tc-getCC)
-			--cxx=$(tc-getCXX)
-			--ar=$(tc-getAR)
-			--nm=$(tc-getNM)
-			--ranlib=$(tc-getRANLIB)
-			"--optflags='${CFLAGS}'"
-		)
-
-		sed -i -e "s/@@GENTOO_FFMPEG_FLAGS@@/${ffmpeg_args[*]}/" cmake/ffmpeg_configure.sh.cmake || die
-	fi
-}
-
-src_configure() {
-	# See bug 432322.
-	use x86 && replace-flags -O0 -O1
-	# Bug 768210
-	append-cxxflags -std=gnu++14
-
-	local mycmakeargs=(
-		-DAVIDEMUX_SOURCE_DIR='${S}'
-		-DGETTEXT="$(usex nls)"
-		-DNVENC=no
-		-DSDL="$(usex sdl)"
-		-DLIBVA="$(usex vaapi)"
-		-DNVENC="$(usex nvenc)"
-		-DVDPAU="$(usex vdpau)"
-		-DXVIDEO="$(usex xv)"
-	)
-
-	use debug && mycmakeargs+=( -DVERBOSE=1 -DADM_DEBUG=1 )
-
-	cmake_src_configure
-}
-
-src_compile() {
-	cmake_src_compile
-}
-
-src_install() {
-	cmake_src_install
-}
diff --git a/media-libs/avidemux-core/files/avidemux-core-2.7.6-ffmpeg-flags.patch b/media-libs/avidemux-core/files/avidemux-core-2.7.6-ffmpeg-flags.patch
deleted file mode 100644
index 48e58be6d28f2..0000000000000
--- a/media-libs/avidemux-core/files/avidemux-core-2.7.6-ffmpeg-flags.patch
+++ /dev/null
@@ -1,8 +0,0 @@
---- a/cmake/ffmpeg_configure.sh.cmake
-+++ b/cmake/ffmpeg_configure.sh.cmake
-@@ -1,2 +1,2 @@
- export PATH=${FF_ENV_PATH}:$PATH
--${FFMPEG_SOURCE_DIR}/configure ${FFMPEG_FLAGS}
-\ No newline at end of file
-+${FFMPEG_SOURCE_DIR}/configure ${FFMPEG_FLAGS} @@GENTOO_FFMPEG_FLAGS@@
-\ No newline at end of file
diff --git a/media-libs/avidemux-core/files/avidemux-core-2.8.1-ffmpeg-2.41.patch b/media-libs/avidemux-core/files/avidemux-core-2.8.1-ffmpeg-2.41.patch
deleted file mode 100644
index da444e9e1c810..0000000000000
--- a/media-libs/avidemux-core/files/avidemux-core-2.8.1-ffmpeg-2.41.patch
+++ /dev/null
@@ -1,84 +0,0 @@
-diff --git a/avidemux_core/ffmpeg_package/patches/libavcodec_mathops.h_binutils_241.patch b/avidemux_core/ffmpeg_package/patches/libavcodec_mathops.h_binutils_241.patch
-new file mode 100644
-index 0000000..633b4b6
---- /dev/null
-+++ b/avidemux_core/ffmpeg_package/patches/libavcodec_mathops.h_binutils_241.patch
-@@ -0,0 +1,76 @@
-+https://bugs.gentoo.org/911582
-+https://trac.ffmpeg.org/ticket/10405
-+https://git.videolan.org/?p=ffmpeg.git;a=commit;h=25cd95a9dc3510c3cc0d7aad6f9d83f6a1078c7e
-+https://sourceware.org/PR30578
-+https://gcc.gnu.org/PR108941
-+
-+From 25cd95a9dc3510c3cc0d7aad6f9d83f6a1078c7e Mon Sep 17 00:00:00 2001
-+From: =?utf8?q?R=C3=A9mi=20Denis-Courmont?= <remi@remlab.net>
-+Date: Sun, 16 Jul 2023 18:18:02 +0300
-+Subject: [PATCH] avcodec/x86/mathops: clip constants used with shift
-+ instructions within inline assembly
-+
-+Fixes assembling with binutil as >= 2.41
-+
-+Signed-off-by: James Almer <jamrial@gmail.com>
-+(cherry picked from commit effadce6c756247ea8bae32dc13bb3e6f464f0eb)
-+--- libavcodec/x86/mathops.h
-++++ libavcodec/x86/mathops.h
-+@@ -35,12 +35,20 @@
-+ static av_always_inline av_const int MULL(int a, int b, unsigned shift)
-+ {
-+     int rt, dummy;
-++    if (__builtin_constant_p(shift))
-+     __asm__ (
-+         "imull %3               \n\t"
-+         "shrdl %4, %%edx, %%eax \n\t"
-+         :"=a"(rt), "=d"(dummy)
-+-        :"a"(a), "rm"(b), "ci"((uint8_t)shift)
-++        :"a"(a), "rm"(b), "i"(shift & 0x1F)
-+     );
-++    else
-++        __asm__ (
-++            "imull %3               \n\t"
-++            "shrdl %4, %%edx, %%eax \n\t"
-++            :"=a"(rt), "=d"(dummy)
-++            :"a"(a), "rm"(b), "c"((uint8_t)shift)
-++        );
-+     return rt;
-+ }
-+ 
-+@@ -113,19 +121,31 @@ __asm__ volatile(\
-+ // avoid +32 for shift optimization (gcc should do that ...)
-+ #define NEG_SSR32 NEG_SSR32
-+ static inline  int32_t NEG_SSR32( int32_t a, int8_t s){
-++    if (__builtin_constant_p(s))
-+     __asm__ ("sarl %1, %0\n\t"
-+          : "+r" (a)
-+-         : "ic" ((uint8_t)(-s))
-++         : "i" (-s & 0x1F)
-+     );
-++    else
-++        __asm__ ("sarl %1, %0\n\t"
-++               : "+r" (a)
-++               : "c" ((uint8_t)(-s))
-++        );
-+     return a;
-+ }
-+ 
-+ #define NEG_USR32 NEG_USR32
-+ static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
-++    if (__builtin_constant_p(s))
-+     __asm__ ("shrl %1, %0\n\t"
-+          : "+r" (a)
-+-         : "ic" ((uint8_t)(-s))
-++         : "i" (-s & 0x1F)
-+     );
-++    else
-++        __asm__ ("shrl %1, %0\n\t"
-++               : "+r" (a)
-++               : "c" ((uint8_t)(-s))
-++        );
-+     return a;
-+ }
-+ 
-+-- 
-+2.30.2
--- 
-2.41.0
diff --git a/media-libs/avidemux-core/metadata.xml b/media-libs/avidemux-core/metadata.xml
index b1eda22c6936d..2cdabc4c2f5ef 100644
--- a/media-libs/avidemux-core/metadata.xml
+++ b/media-libs/avidemux-core/metadata.xml
@@ -5,9 +5,6 @@
     <email>media-video@gentoo.org</email>
     <name>Gentoo Video project</name>
   </maintainer>
-  <use>
-    <flag name="system-ffmpeg">Use the ffmpeg provided by the system.</flag>
-  </use>
   <upstream>
     <remote-id type="github">mean00/avidemux2</remote-id>
   </upstream>
diff --git a/profiles/base/package.use.mask b/profiles/base/package.use.mask
index 759e2bc08425f..7e3ecd79c7692 100644
--- a/profiles/base/package.use.mask
+++ b/profiles/base/package.use.mask
@@ -974,10 +974,6 @@ media-libs/libsdl2 custom-cflags
 # Broken for now (segmentation fault on play)
 gnustep-apps/cynthiune flac
 
-# Tom Wijsman <TomWij@gentoo.org> (2013-03-10)
-# Experimental, masked until it compiles and works.
-media-libs/avidemux-core system-ffmpeg
-
 # Jory A. Pratt <anarchy@gentoo.org> (2012-12-15)
 # PGO is known to be busted with most configurations
 www-client/firefox pgo