diff --git a/pkgs/applications/networking/instant-messengers/linphone/default.nix b/pkgs/applications/networking/instant-messengers/linphone/default.nix
deleted file mode 100644
index da15ef2657a7..000000000000
--- a/pkgs/applications/networking/instant-messengers/linphone/default.nix
+++ /dev/null
@@ -1,144 +0,0 @@
-{
-  bctoolbox,
-  belcard,
-  belle-sip,
-  belr,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  liblinphone,
-  mediastreamer,
-  mediastreamer-openh264,
-  minizip-ng,
-  mkDerivation,
-  qtgraphicaleffects,
-  qtmultimedia,
-  qtquickcontrols2,
-  qttools,
-}:
-
-# How to update Linphone? (The Qt desktop app)
-#
-# Belledonne Communications (BC), the company making Linphone, has split the
-# project into several sub-projects that they maintain, plus some third-party
-# dependencies that they also extend with commits of their own, specific to
-# Linphone and not (yet?) upstreamed.
-#
-# All of this is organised in a Software Development Kit (SDK) meta-repository
-# with git submodules to pin all those repositories into a coherent whole.
-#
-# The Linphone Qt desktop app uses this SDK as submodule as well.
-#
-# So, in order to update the desktop app to a new release, one has to follow
-# the submodule chain and update the corresponding derivations here, in nixpkgs,
-# with the corresponding version number (or commit hash)
-
-mkDerivation rec {
-  pname = "linphone-desktop";
-  version = "5.1.2";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "linphone-desktop";
-    rev = version;
-    hash = "sha256-Pu2tGKe3C1uR4lzXkC5sJFu8iJBqF76UfWJXYjPwBkc=";
-  };
-
-  patches = [
-    ./do-not-build-linphone-sdk.patch
-    ./remove-bc_compute_full_version-usage.patch
-    ./no-store-path-in-autostart.patch
-    ./reset-output-dirs.patch
-  ];
-
-  # See: https://gitlab.linphone.org/BC/public/linphone-desktop/issues/21
-  postPatch = ''
-    echo "project(linphoneqt VERSION ${version})" >linphone-app/linphoneqt_version.cmake
-    substituteInPlace linphone-app/src/app/AppController.cpp \
-      --replace "APPLICATION_SEMVER" "\"${version}\""
-    substituteInPlace CMakeLists.txt \
-      --subst-var out
-  '';
-
-  # TODO: After linphone-desktop and liblinphone split into separate packages,
-  # there might be some build inputs here that aren't needed for
-  # linphone-desktop.
-  buildInputs = [
-    # Made by BC
-    bctoolbox
-    belcard
-    belle-sip
-    belr
-    liblinphone
-    mediastreamer
-    mediastreamer-openh264
-
-    minizip-ng
-    qtgraphicaleffects
-    qtmultimedia
-    qtquickcontrols2
-  ];
-
-  nativeBuildInputs = [
-    cmake
-    qttools
-  ];
-
-  cmakeFlags = [
-    "-DMINIZIP_INCLUDE_DIRS=${minizip-ng}/include"
-    "-DMINIZIP_LIBRARIES=minizip"
-
-    # RPATH of binary /nix/store/.../bin/... contains a forbidden reference to /build/
-    "-DCMAKE_SKIP_BUILD_RPATH=ON"
-
-    # Requires EQt5Keychain
-    "-DENABLE_QT_KEYCHAIN=OFF"
-
-    "-DCMAKE_INSTALL_BINDIR=bin"
-    "-DCMAKE_INSTALL_INCLUDEDIR=include"
-    "-DCMAKE_INSTALL_LIBDIR=lib"
-  ];
-
-  preInstall = ''
-    mkdir -p $out/share/linphone
-    mkdir -p $out/share/sounds/linphone
-  '';
-
-  # In order to find mediastreamer plugins, mediastreamer package was patched to
-  # support an environment variable pointing to the plugin directory. Set that
-  # environment variable by wrapping the Linphone executable.
-  #
-  # Also, some grammar files needed to be copied too from some dependencies. I
-  # suppose if one define a dependency in such a way that its share directory is
-  # found, then this copying would be unnecessary. These missing grammar files
-  # were discovered when linphone crashed at startup and it was run with
-  # --verbose flag. Instead of actually copying these files, create symlinks.
-  #
-  # It is quite likely that there are some other files still missing and
-  # Linphone will randomly crash when it tries to access those files. Then,
-  # those just need to be copied manually below.
-  postInstall = ''
-    mkdir -p $out/lib/mediastreamer/plugins
-    ln -s ${mediastreamer-openh264}/lib/mediastreamer/plugins/* $out/lib/mediastreamer/plugins/
-    ln -s ${mediastreamer}/lib/mediastreamer/plugins/* $out/lib/mediastreamer/plugins/
-
-    mkdir -p $out/share/belr/grammars
-    ln -s ${liblinphone}/share/belr/grammars/* $out/share/belr/grammars/
-    ln -s ${liblinphone}/share/sounds/linphone/* $out/share/sounds/linphone/
-    ln -s ${belle-sip}/share/belr/grammars/* $out/share/belr/grammars/
-
-    wrapProgram $out/bin/linphone \
-      --set MEDIASTREAMER_PLUGINS_DIR $out/lib/mediastreamer/plugins
-  '';
-
-  meta = with lib; {
-    homepage = "https://www.linphone.org/";
-    description = "Open source SIP phone for voice/video calls and instant messaging";
-    mainProgram = "linphone";
-    license = licenses.gpl3Plus;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/applications/networking/instant-messengers/linphone/do-not-build-linphone-sdk.patch b/pkgs/applications/networking/instant-messengers/linphone/do-not-build-linphone-sdk.patch
deleted file mode 100644
index f93f031bf690..000000000000
--- a/pkgs/applications/networking/instant-messengers/linphone/do-not-build-linphone-sdk.patch
+++ /dev/null
@@ -1,157 +0,0 @@
-From e6a9992461f368d08d1ad63ffe454714ec0c59ce Mon Sep 17 00:00:00 2001
-From: Lorenz Brun <lorenz@brun.one>
-Date: Fri, 28 Jan 2022 02:36:01 +0100
-Subject: [PATCH] Remove Linphone SDK build
-
----
- CMakeLists.txt                                | 100 +-----------------
- .../cmake_builder/additional_steps.cmake      |   9 --
- 2 files changed, 5 insertions(+), 104 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index b5a4ab5..3afcd88 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -194,7 +194,6 @@ list(APPEND APP_OPTIONS "-DQTKEYCHAIN_TARGET_NAME=${QTKEYCHAIN_TARGET_NAME}")
- 
- list(APPEND APP_OPTIONS "-DENABLE_QT_GL=${ENABLE_VIDEO}")#Activate on video
- 
--include(ExternalProject)
- set(PROJECT_BUILD_COMMAND "")
- if(CMAKE_BUILD_PARALLEL_LEVEL)
- 	list(APPEND APP_OPTIONS "-DCMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL}")
-@@ -237,41 +236,8 @@ if(ENABLE_BUILD_APP_PLUGINS)
- 	endif()
- endif()
- 
--if(NOT LINPHONE_QT_ONLY)
--#add_subdirectory(external/qtkeychain)
--	if(ENABLE_QT_KEYCHAIN)
--		ExternalProject_Add(app-qtkeychain PREFIX "${CMAKE_BINARY_DIR}/qtkeychain"
--			SOURCE_DIR "${CMAKE_SOURCE_DIR}/external/qtkeychain"
--			INSTALL_DIR "${QTKEYCHAIN_OUTPUT_DIR}"
--			BINARY_DIR "${SDK_BUILD_DIR}/qtkeychain"
--			BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
--			LIST_SEPARATOR | # Use the alternate list separator
--			CMAKE_ARGS ${APP_OPTIONS} ${QTKEYCHAIN_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH} -DCMAKE_OSX_ARCHITECTURES=${LINPHONESDK_MACOS_ARCHS}
--			BUILD_ALWAYS NO #${DO_BUILD}
--		)
--	endif()
--	ExternalProject_Add(sdk PREFIX "${CMAKE_BINARY_DIR}/sdk"
--		SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-sdk"
--		INSTALL_DIR "${LINPHONE_OUTPUT_DIR}"
--		STAMP_DIR "${SDK_BUILD_DIR}/stamp"
--		BINARY_DIR "${SDK_BUILD_DIR}"
--		STEP_TARGETS build
--		BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
--		INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
--		LIST_SEPARATOR | # Use the alternate list separator
--		CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH} -DCMAKE_OSX_ARCHITECTURES=${LINPHONESDK_MACOS_ARCHS}
--		BUILD_ALWAYS NO #${DO_BUILD}
--	)
--	ExternalProject_Add_Step(sdk force_build
--		COMMENT "Forcing build for 'sdk'"
--		DEPENDEES configure
--		DEPENDERS build
--		ALWAYS 1
--	)
--endif()
- include(FindPkgConfig)
- 
--set(APP_DEPENDS sdk)# Used if NOT LINPHONE_QT_ONLY
- if(ENABLE_QT_KEYCHAIN)
- 	list(APPEND APP_DEPENDS app-qtkeychain)
- endif()
-@@ -289,65 +255,9 @@ find_package(Mediastreamer2 CONFIG QUIET)
- find_package(ortp CONFIG QUIET)
- find_package(${QTKEYCHAIN_TARGET_NAME} CONFIG QUIET)
- 
--if(NOT (LinphoneCxx_FOUND) OR NOT (Linphone_FOUND) OR NOT (bctoolbox_FOUND) OR NOT (belcard_FOUND) OR NOT (Mediastreamer2_FOUND) OR NOT (ortp_FOUND)
--	OR ( ENABLE_QT_KEYCHAIN AND NOT(${QTKEYCHAIN_TARGET_NAME}_FOUND) )
--	OR FORCE_APP_EXTERNAL_PROJECTS
--)
--	message("Projects are set as External projects. You can start building them by using for example : cmake --build . --target install")
--	ExternalProject_Add(linphone-qt PREFIX "${CMAKE_BINARY_DIR}/linphone-app"
--		SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-app"
--		INSTALL_DIR "${APPLICATION_OUTPUT_DIR}"
--		BINARY_DIR "${CMAKE_BINARY_DIR}/linphone-app"
--		DEPENDS ${APP_DEPENDS}
--		BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
--		INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
--		LIST_SEPARATOR | # Use the alternate list separator
--		CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH} -DCMAKE_OSX_ARCHITECTURES=${LINPHONESDK_MACOS_ARCHS}
--	# ${APP_OPTIONS}
--		BUILD_ALWAYS ON
--	)
--	if( ENABLE_BUILD_APP_PLUGINS)
--		ExternalProject_Add(app-plugins PREFIX "${CMAKE_BINARY_DIR}/plugins-app"
--			SOURCE_DIR "${CMAKE_SOURCE_DIR}/plugins"
--			INSTALL_DIR "${APPLICATION_OUTPUT_DIR}"
--			BINARY_DIR "${CMAKE_BINARY_DIR}/plugins-app"
--			DEPENDS linphone-qt
--			BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
--			INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
--			LIST_SEPARATOR | # Use the alternate list separator
--			CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH} -DCMAKE_OSX_ARCHITECTURES=${LINPHONESDK_MACOS_ARCHS}
--		)
--	endif()
--	install(CODE "message(STATUS \"Running install\")")
--	set(AUTO_REGENERATION auto_regeneration)
--	if(	ENABLE_BUILD_APP_PLUGINS)
--		add_custom_target(${AUTO_REGENERATION} ALL
--			COMMAND ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}
--			DEPENDS app-plugins)
--	else()
--		add_custom_target(${AUTO_REGENERATION} ALL
--			COMMAND ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}
--			DEPENDS linphone-qt)
--	endif()
--else()
--	message("Adding Linphone Desktop in an IDE-friendly state")
--	set(CMAKE_INSTALL_PREFIX "${APPLICATION_OUTPUT_DIR}")
--	add_subdirectory(${CMAKE_SOURCE_DIR}/linphone-app)
--	if(NOT LINPHONE_QT_ONLY)
--		add_dependencies(app-library ${APP_DEPENDS})
--	endif()
--	if( ENABLE_BUILD_APP_PLUGINS)
--		add_subdirectory(${CMAKE_SOURCE_DIR}/plugins "plugins-app")
--	endif()
-+message("Adding Linphone Desktop in an IDE-friendly state")
-+set(CMAKE_INSTALL_PREFIX "${APPLICATION_OUTPUT_DIR}")
-+add_subdirectory(${CMAKE_SOURCE_DIR}/linphone-app)
-+if( ENABLE_BUILD_APP_PLUGINS)
-+	add_subdirectory(${CMAKE_SOURCE_DIR}/plugins "plugins-app")
- endif()
--ExternalProject_Add(linphone-qt-only PREFIX "${CMAKE_BINARY_DIR}/linphone-app"
--    SOURCE_DIR "${CMAKE_SOURCE_DIR}/linphone-app"
--    INSTALL_DIR "${APPLICATION_OUTPUT_DIR}"
--    BINARY_DIR "${CMAKE_BINARY_DIR}/linphone-app"
--    BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config $<CONFIG> ${PROJECT_BUILD_COMMAND}
--#    INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "Install step is already done at build time."
--    LIST_SEPARATOR | # Use the alternate list separator
--    CMAKE_ARGS ${APP_OPTIONS} ${USER_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DCMAKE_PREFIX_PATH=${PREFIX_PATH} -DCMAKE_OSX_ARCHITECTURES=${LINPHONESDK_MACOS_ARCHS}
--    EXCLUDE_FROM_ALL ON
--    #BUILD_ALWAYS ON
--)
-diff --git a/linphone-app/cmake_builder/additional_steps.cmake b/linphone-app/cmake_builder/additional_steps.cmake
-index 7f7fd57..a69a04e 100644
---- a/linphone-app/cmake_builder/additional_steps.cmake
-+++ b/linphone-app/cmake_builder/additional_steps.cmake
-@@ -54,14 +54,5 @@ if (ENABLE_PACKAGING)
-     linphone_builder_apply_flags()
-     linphone_builder_set_ep_directories(linphone_package)
-     linphone_builder_expand_external_project_vars()
--    ExternalProject_Add(TARGET_linphone_package
--      DEPENDS TARGET_linphone_builder
--      TMP_DIR ${ep_tmp}
--      BINARY_DIR ${ep_build}
--      SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/linphone_package"
--      DOWNLOAD_COMMAND ""
--      CMAKE_GENERATOR ${CMAKE_GENERATOR}
--      CMAKE_ARGS ${LINPHONE_BUILDER_EP_ARGS} -DCMAKE_INSTALL_PREFIX=${LINPHONE_BUILDER_WORK_DIR}/PACKAGE -DTOOLS_DIR=${CMAKE_BINARY_DIR}/programs -DLINPHONE_OUTPUT_DIR=${CMAKE_INSTALL_PREFIX} -DLINPHONE_DESKTOP_DIR=${CMAKE_CURRENT_LIST_DIR}/.. -DLINPHONE_SOURCE_DIR=${EP_linphone_SOURCE_DIR} ${ENABLE_VARIABLES} -DLINPHONE_BUILDER_SIGNING_IDENTITY=${LINPHONE_BUILDER_SIGNING_IDENTITY}
--    )
-   endif ()
- endif ()
--- 
-2.39.3 (Apple Git-145)
-
diff --git a/pkgs/applications/networking/instant-messengers/linphone/no-store-path-in-autostart.patch b/pkgs/applications/networking/instant-messengers/linphone/no-store-path-in-autostart.patch
deleted file mode 100644
index dc1b0be916cd..000000000000
--- a/pkgs/applications/networking/instant-messengers/linphone/no-store-path-in-autostart.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-From 6a26922e5e4363de36057d635a1bf889160b2533 Mon Sep 17 00:00:00 2001
-From: Lorenz Brun <lorenz@brun.one>
-Date: Fri, 28 Jan 2022 18:44:43 +0100
-Subject: [PATCH] Do not use store path for autostart on Nix
-
----
- linphone-app/src/app/App.cpp | 4 ++++
- 1 file changed, 4 insertions(+)
-
-diff --git a/linphone-app/src/app/App.cpp b/linphone-app/src/app/App.cpp
-index 868f8f44..2c61c648 100644
---- a/linphone-app/src/app/App.cpp
-+++ b/linphone-app/src/app/App.cpp
-@@ -858,6 +858,10 @@ void App::setAutoStart (bool enabled) {
- 		exec = QProcessEnvironment::systemEnvironment().value(QStringLiteral("APPIMAGE"));
- 		qDebug() << "exec path autostart set appimage=" << exec;
- 	}
-+	else if (binPath.startsWith("/nix/store")) { // Nix/NixOS
-+		exec = QStringLiteral("linphone");
-+		qDebug() << "exec path autostart set nix=" << exec;
-+	}
- 	else { //classic package
- 		exec = binPath;
- 		qDebug() << "exec path autostart set classic package=" << exec;
--- 
-2.25.1
-
diff --git a/pkgs/applications/networking/instant-messengers/linphone/remove-bc_compute_full_version-usage.patch b/pkgs/applications/networking/instant-messengers/linphone/remove-bc_compute_full_version-usage.patch
deleted file mode 100644
index 225f0e78db23..000000000000
--- a/pkgs/applications/networking/instant-messengers/linphone/remove-bc_compute_full_version-usage.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-From 4849d5633b98e6d3514355436eab5ba537cbfd99 Mon Sep 17 00:00:00 2001
-From: David P <megver83@parabola.nu>
-Date: Fri, 23 Oct 2020 16:44:17 -0300
-Subject: [PATCH] remove bc_compute_full_version usage
-
----
- linphone-app/CMakeLists.txt                           | 11 +----------
- linphone-app/build/CMakeLists.txt                     |  5 -----
- .../cmake_builder/linphone_package/CMakeLists.txt     | 10 +---------
- 3 files changed, 2 insertions(+), 24 deletions(-)
-
-diff --git a/linphone-app/CMakeLists.txt b/linphone-app/CMakeLists.txt
-index de7f917f..ee14ff78 100644
---- a/linphone-app/CMakeLists.txt
-+++ b/linphone-app/CMakeLists.txt
-@@ -21,17 +21,8 @@
- ################################################################################
- cmake_minimum_required(VERSION 3.1)
- 
-+include(linphoneqt_version.cmake)
- find_package(bctoolbox CONFIG)
--set(FULL_VERSION )
--bc_compute_full_version(FULL_VERSION)
--set(version_major )
--set(version_minor )
--set(version_patch )
--set(identifiers )
--set(metadata )
--bc_parse_full_version("${FULL_VERSION}" version_major version_minor version_patch identifiers metadata)
--
--project(linphoneqt VERSION "${version_major}.${version_minor}.${version_patch}")
- 
- 
- if(ENABLE_BUILD_VERBOSE)
-diff --git a/linphone-app/build/CMakeLists.txt b/linphone-app/build/CMakeLists.txt
-index 8ef03faa..97d94bd6 100644
---- a/linphone-app/build/CMakeLists.txt
-+++ b/linphone-app/build/CMakeLists.txt
-@@ -46,11 +46,6 @@ set(CPACK_SOURCE_IGNORE_FILES
-   "libmng.spec"
- )
- 
--bc_compute_full_version(PROJECT_VERSION_BUILD)
--if(PROJECT_VERSION_BUILD)
--  set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${PROJECT_VERSION_BUILD}")
--endif()
--
- message("-- Package file name is ${CPACK_PACKAGE_FILE_NAME}")
- 
- set(CPACK_SOURCE_PACKAGE_FILE_NAME ${CPACK_PACKAGE_FILE_NAME})
-diff --git a/linphone-app/cmake_builder/linphone_package/CMakeLists.txt b/linphone-app/cmake_builder/linphone_package/CMakeLists.txt
-index ac85c68a..e6af5a66 100644
---- a/linphone-app/cmake_builder/linphone_package/CMakeLists.txt
-+++ b/linphone-app/cmake_builder/linphone_package/CMakeLists.txt
-@@ -38,15 +38,7 @@ set(LINPHONE_QML_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../ui")
- # ==============================================================================
- # Build package version.
- # ==============================================================================
--bc_compute_full_version(APP_PROJECT_VERSION)
--if (GIT_EXECUTABLE AND NOT(APP_PROJECT_VERSION))
--  execute_process(
--    COMMAND ${GIT_EXECUTABLE} describe --always
--    OUTPUT_VARIABLE APP_PROJECT_VERSION
--    OUTPUT_STRIP_TRAILING_WHITESPACE
--    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/../.."
--  )
--elseif (NOT(APP_PROJECT_VERSION))
-+if (NOT(APP_PROJECT_VERSION))
-   set(APP_PROJECT_VERSION "0.0.0")
- endif ()
- string(REGEX REPLACE "([0-9.]+)-?.*" "\\1" LINPHONE_VERSION "${APP_PROJECT_VERSION}")
--- 
-2.25.1
-
diff --git a/pkgs/applications/networking/instant-messengers/linphone/reset-output-dirs.patch b/pkgs/applications/networking/instant-messengers/linphone/reset-output-dirs.patch
deleted file mode 100644
index 2ad43fb17e28..000000000000
--- a/pkgs/applications/networking/instant-messengers/linphone/reset-output-dirs.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index b5a4ab5..b6b89c2 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -59,10 +59,10 @@ set(CMAKE_CXX_STANDARD 11)
- 
- # Prepare gobal CMAKE configuration specific to the current project
- set(SDK_BUILD_DIR "${CMAKE_BINARY_DIR}/WORK")       # SDK build in WORK. Keep all in it.
--set(LINPHONE_OUTPUT_DIR "${CMAKE_BINARY_DIR}/linphone-sdk/desktop")
--set(QTKEYCHAIN_OUTPUT_DIR "${CMAKE_BINARY_DIR}/qtkeychain")
-+set(LINPHONE_OUTPUT_DIR "@out@")
-+set(QTKEYCHAIN_OUTPUT_DIR "@out@")
- set(QTKEYCHAIN_TARGET_NAME "EQt5Keychain")
--set(APPLICATION_OUTPUT_DIR "${CMAKE_BINARY_DIR}/OUTPUT")
-+set(APPLICATION_OUTPUT_DIR "@out@")
- 
- set(CMAKE_PREFIX_PATH "${LINPHONE_OUTPUT_DIR};${APPLICATION_OUTPUT_DIR};${APPLICATION_OUTPUT_DIR}/include${PREFIX_PATH}")
- if(WIN32)
diff --git a/pkgs/by-name/bc/bc-decaf/package.nix b/pkgs/by-name/bc/bc-decaf/package.nix
deleted file mode 100644
index 30535e1206c6..000000000000
--- a/pkgs/by-name/bc/bc-decaf/package.nix
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-  cmake,
-  fetchFromGitLab,
-  lib,
-  python3,
-  stdenv,
-}:
-
-stdenv.mkDerivation {
-  pname = "bc-decaf";
-  version = "unstable-2022-07-20";
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [
-    python3
-  ];
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    group = "BC";
-    owner = "public/external";
-    repo = "decaf";
-    rev = "876ddb4d465c94f97beba1be450e8538d866cc5d";
-    sha256 = "sha256-QFOAgLiPbG2ZdwKoCOrVD5/sPq9IH4rtAWnnk/rZWcs=";
-  };
-
-  # Do not build static libraries and do not enable -Werror
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO"
-    "-DENABLE_STRICT=NO"
-  ];
-
-  meta = with lib; {
-    description = "Elliptic curve library supporting Ed448-Goldilocks and Curve25519. Belledonne Communications' fork for Linphone";
-    homepage = "https://gitlab.linphone.org/BC/public/bctoolbox";
-    license = licenses.mit;
-    maintainers = with maintainers; [ thibaultlemaire ];
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/by-name/bc/bctoolbox/package.nix b/pkgs/by-name/bc/bctoolbox/package.nix
deleted file mode 100644
index 46ccac25604e..000000000000
--- a/pkgs/by-name/bc/bctoolbox/package.nix
+++ /dev/null
@@ -1,56 +0,0 @@
-{
-  bcunit,
-  cmake,
-  bc-decaf,
-  fetchFromGitLab,
-  mbedtls_2,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "bctoolbox";
-  version = "5.2.109";
-
-  nativeBuildInputs = [
-    cmake
-  ];
-  buildInputs = [
-    # Made by BC
-    bcunit
-
-    # Vendored by BC
-    bc-decaf
-
-    mbedtls_2
-  ];
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "bctoolbox";
-    tag = version;
-    hash = "sha256-OwwSGzMFwR2ajUUgAy7ea/Q2pWxn3DO72W7ukcjBJnU=";
-  };
-
-  # Do not build static libraries
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO"
-    "-DENABLE_STRICT=NO"
-  ];
-
-  strictDeps = true;
-
-  meta = with lib; {
-    description = "Utilities library for Linphone";
-    mainProgram = "bctoolbox_tester";
-    homepage = "https://gitlab.linphone.org/BC/public/bctoolbox";
-    license = licenses.gpl3Plus;
-    maintainers = with maintainers; [
-      raskin
-      jluttine
-    ];
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/by-name/bc/bcunit/package.nix b/pkgs/by-name/bc/bcunit/package.nix
deleted file mode 100644
index 67eda14c47c9..000000000000
--- a/pkgs/by-name/bc/bcunit/package.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-  cmake,
-  fetchFromGitLab,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation {
-  pname = "bcunit";
-  version = "linphone-4.4.1";
-
-  nativeBuildInputs = [ cmake ];
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "bcunit";
-    rev = "c5eebcc7f794e9567d3c72d15d3f28bffe6bfd0f";
-    sha256 = "sha256-8DSfqHerx/V00SJjTSQaG9Rjqx330iG6sGivBDUvQfA=";
-  };
-
-  meta = with lib; {
-    description = "Belledonne Communications' fork of CUnit test framework. Part of the Linphone project";
-    homepage = "https://gitlab.linphone.org/BC/public/bcunit";
-    license = licenses.lgpl2Plus;
-    maintainers = with maintainers; [
-      raskin
-      jluttine
-    ];
-    platforms = platforms.all;
-  };
-}
diff --git a/pkgs/by-name/be/belcard/package.nix b/pkgs/by-name/be/belcard/package.nix
deleted file mode 100644
index 57fbee6493a3..000000000000
--- a/pkgs/by-name/be/belcard/package.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  bctoolbox,
-  belr,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "belcard";
-  version = "5.2.98";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "belcard";
-    tag = version;
-    sha256 = "sha256-pRNJ1bDS2v0Cn+6cxMeFa0JQ27UZR6kCI9P6gQ5W2GA=";
-  };
-
-  buildInputs = [
-    bctoolbox
-    belr
-  ];
-  nativeBuildInputs = [ cmake ];
-
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO" # Do not build static libraries
-    "-DENABLE_UNIT_TESTS=NO" # Do not build test executables
-  ];
-
-  meta = with lib; {
-    description = "C++ library to manipulate VCard standard format. Part of the Linphone project";
-    homepage = "https://gitlab.linphone.org/BC/public/belcard";
-    license = licenses.gpl3Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/be/belle-sip/package.nix b/pkgs/by-name/be/belle-sip/package.nix
deleted file mode 100644
index 4efd5878e5a5..000000000000
--- a/pkgs/by-name/be/belle-sip/package.nix
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-  bctoolbox,
-  belr,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  libantlr3c,
-  mbedtls_2,
-  stdenv,
-  zlib,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "belle-sip";
-  version = "5.2.98";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "belle-sip";
-    tag = version;
-    hash = "sha256-PZnAB+LOlwkiJO0ICqYqn0TgqQY2KdUbgGJRFSzGxdE=";
-  };
-
-  nativeBuildInputs = [ cmake ];
-
-  buildInputs = [ zlib ];
-
-  # Do not build static libraries
-  cmakeFlags = [ "-DENABLE_STATIC=NO" ];
-
-  env.NIX_CFLAGS_COMPILE = toString (
-    [
-      "-Wno-error=cast-function-type"
-      "-Wno-error=deprecated-declarations"
-      "-Wno-error=format-truncation"
-      "-Wno-error=stringop-overflow"
-    ]
-    ++ lib.optionals (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12") [
-      # Needed with GCC 12 but problematic with some old GCCs and probably clang
-      "-Wno-error=use-after-free"
-    ]
-  );
-
-  propagatedBuildInputs = [
-    libantlr3c
-    mbedtls_2
-    bctoolbox
-    belr
-  ];
-
-  meta = with lib; {
-    homepage = "https://gitlab.linphone.org/BC/public/belle-sip";
-    description = "Modern library implementing SIP (RFC 3261) transport, transaction and dialog layers. Part of the Linphone project";
-    mainProgram = "belle_sip_tester";
-    license = licenses.gpl3Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/be/belr/package.nix b/pkgs/by-name/be/belr/package.nix
deleted file mode 100644
index 470c07f01f4b..000000000000
--- a/pkgs/by-name/be/belr/package.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  bctoolbox,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "belr";
-  version = "5.2.98";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "belr";
-    tag = version;
-    hash = "sha256-4keVUAsTs1DAhOfV71VD28I0PEHnyvW95blplY690LY=";
-  };
-
-  buildInputs = [ bctoolbox ];
-  nativeBuildInputs = [ cmake ];
-
-  # Do not build static libraries
-  cmakeFlags = [ "-DENABLE_STATIC=NO" ];
-
-  meta = with lib; {
-    description = "Belledonne Communications' language recognition library. Part of the Linphone project";
-    homepage = "https://gitlab.linphone.org/BC/public/belr";
-    license = licenses.gpl3Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/bz/bzrtp/package.nix b/pkgs/by-name/bz/bzrtp/package.nix
deleted file mode 100644
index 600a23b474c8..000000000000
--- a/pkgs/by-name/bz/bzrtp/package.nix
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-  bctoolbox,
-  cmake,
-  fetchFromGitLab,
-  sqlite,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "bzrtp";
-  version = "5.2.111";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "bzrtp";
-    tag = version;
-    hash = "sha256-sLvvQhJ9uVt/dx57xs9ftY/ETi46xmyGDH8372zpqj8=";
-  };
-
-  buildInputs = [
-    bctoolbox
-    sqlite
-  ];
-  nativeBuildInputs = [ cmake ];
-
-  # Do not build static libraries
-  cmakeFlags = [ "-DENABLE_STATIC=NO" ];
-
-  env.NIX_CFLAGS_COMPILE = toString [
-    # Needed with GCC 12
-    "-Wno-error=stringop-overflow"
-    "-Wno-error=unused-parameter"
-  ];
-
-  meta = with lib; {
-    description = "Opensource implementation of ZRTP keys exchange protocol. Part of the Linphone project";
-    homepage = "https://gitlab.linphone.org/BC/public/bzrtp";
-    license = licenses.gpl3Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/li/liblinphone/backport-cpp17.patch b/pkgs/by-name/li/liblinphone/backport-cpp17.patch
deleted file mode 100644
index d9eb75fa2768..000000000000
--- a/pkgs/by-name/li/liblinphone/backport-cpp17.patch
+++ /dev/null
@@ -1,98 +0,0 @@
-From 9ece6e77dcf6545c3b8104068302c6243e3a5e88 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Micka=C3=ABl=20Turnel?=
- <mickael.turnel@belledonne-communications.com>
-Date: Wed, 1 Mar 2023 09:14:53 +0100
-Subject: [PATCH] Set c++ version 17 and fix compilation errors
-
-Backported-by: Lorenz Brun <lorenz@brun.one>
-
----
- CMakeLists.txt                           |  2 +-
- daemon/daemon.cc                         |  2 +-
- libxsd/xsd/cxx/config.hxx                |  2 +-
- src/conference/session/streams-group.cpp | 10 +++++-----
- 4 files changed, 8 insertions(+), 8 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 475ff16a8..a771e4595 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -92,7 +92,7 @@ cmake_dependent_option(ENABLE_QRCODE "Enable QRCode support" YES "ENABLE_VIDEO"
- # * DISABLE_BC_PACKAGE_SEARCH: skip find_package() for every BC package (bctoolbox, ortp, etc.)
- # * DISABLE_SOCI_PACKAGE_SEARCH: skip find_package() for Soci.
- 
--set(CMAKE_CXX_STANDARD 14)
-+set(CMAKE_CXX_STANDARD 17)
- set(CMAKE_CXX_EXTENSIONS NO)
- 
- if(NOT CMAKE_BUILD_TYPE)
-diff --git a/daemon/daemon.cc b/daemon/daemon.cc
-index 197fc22ef..fd09edb26 100644
---- a/daemon/daemon.cc
-+++ b/daemon/daemon.cc
-@@ -628,7 +628,7 @@ void Daemon::execCommand(const string &command) {
- 	ist.get(argsbuf);
- 	string args = argsbuf.str();
- 	if (!args.empty() && (args[0] == ' ')) args.erase(0, 1);
--	list<DaemonCommand*>::iterator it = find_if(mCommands.begin(), mCommands.end(), bind2nd(mem_fun(&DaemonCommand::matches), name));
-+	list<DaemonCommand*>::iterator it = find_if(mCommands.begin(), mCommands.end(), [&name](const DaemonCommand *dc) { return dc->matches(name); });
- 	if (it != mCommands.end()) {
- 		ms_mutex_lock(&mMutex);
- 		(*it)->exec(this, args);
-diff --git a/libxsd/xsd/cxx/config.hxx b/libxsd/xsd/cxx/config.hxx
-index 076b107f5..385841731 100644
---- a/libxsd/xsd/cxx/config.hxx
-+++ b/libxsd/xsd/cxx/config.hxx
-@@ -19,7 +19,7 @@
- #  endif
- #else
- #  if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
--#    ifdef __GNUC__
-+#    if defined(__GNUC__) && !defined(__clang__)
- #      if (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) || __GNUC__ > 4
- #        define XSD_CXX11_NULLPTR
- #      endif
-diff --git a/src/conference/session/streams-group.cpp b/src/conference/session/streams-group.cpp
-index bff739dda..84277a6b7 100644
---- a/src/conference/session/streams-group.cpp
-+++ b/src/conference/session/streams-group.cpp
-@@ -447,11 +447,11 @@ float StreamsGroup::computeOverallQuality(_functor func){
- }
- 
- float StreamsGroup::getAverageQuality(){
--	return computeOverallQuality(mem_fun(&Stream::getAverageQuality));
-+	return computeOverallQuality(mem_fn(&Stream::getAverageQuality));
- }
- 
- float StreamsGroup::getCurrentQuality(){
--	return computeOverallQuality(mem_fun(&Stream::getCurrentQuality));
-+	return computeOverallQuality(mem_fn(&Stream::getCurrentQuality));
- }
- 
- int StreamsGroup::getAvpfRrInterval()const{
-@@ -481,11 +481,11 @@ bool StreamsGroup::avpfEnabled() const{
- }
- 
- void StreamsGroup::refreshSockets(){
--	forEach<Stream>(mem_fun(&Stream::refreshSockets));
-+	forEach<Stream>(mem_fn(&Stream::refreshSockets));
- }
- 
- void StreamsGroup::computeAndReportBandwidth(){
--	forEach<Stream>(mem_fun(&Stream::updateBandwidthReports));
-+	forEach<Stream>(mem_fn(&Stream::updateBandwidthReports));
- 	
- 	if (!bctbx_log_level_enabled(BCTBX_LOG_DOMAIN, BCTBX_LOG_MESSAGE)) return;
- 	
-@@ -540,7 +540,7 @@ void StreamsGroup::finish(){
- 	mIceService->finish(); // finish ICE first, as it has actions on the streams.
- 	for (auto & ss : mSharedServices) ss.second->checkDestroy();
- 	mSharedServices.clear();
--	forEach<Stream>(mem_fun(&Stream::finish));
-+	forEach<Stream>(mem_fn(&Stream::finish));
- 	mFinished = true;
- }
- 
--- 
-2.41.0
-
diff --git a/pkgs/by-name/li/liblinphone/package.nix b/pkgs/by-name/li/liblinphone/package.nix
deleted file mode 100644
index e3eebef53ba3..000000000000
--- a/pkgs/by-name/li/liblinphone/package.nix
+++ /dev/null
@@ -1,95 +0,0 @@
-{
-  lib,
-  bc-soci,
-  belcard,
-  belle-sip,
-  cmake,
-  doxygen,
-  fetchFromGitLab,
-  jsoncpp,
-  libxml2,
-  lime,
-  mediastreamer,
-  python3,
-  sqlite,
-  stdenv,
-  xercesc,
-  zxing-cpp,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "liblinphone";
-  version = "5.2.98";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "liblinphone";
-    rev = version;
-    hash = "sha256-kQZePMa7MTaSJLEObM8khfSFYLqhlgTcVyKfTPLwKYU=";
-  };
-
-  patches = [
-    # zxing-cpp 2.0+ requires C++ 17
-    # Manual backport as upstream ran formatters in the meantime
-    ./backport-cpp17.patch
-  ];
-
-  postPatch = ''
-    substituteInPlace src/CMakeLists.txt \
-      --replace "jsoncpp_object" "jsoncpp" \
-      --replace "jsoncpp_static" "jsoncpp"
-  '';
-
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO" # Do not build static libraries
-    "-DENABLE_UNIT_TESTS=NO" # Do not build test executables
-    "-DENABLE_STRICT=NO" # Do not build with -Werror
-  ];
-
-  buildInputs = [
-    # Made by BC
-    belcard
-    belle-sip
-    lime
-    mediastreamer
-
-    # Vendored by BC
-    bc-soci
-
-    jsoncpp
-    libxml2
-    sqlite
-    xercesc
-    zxing-cpp
-  ];
-
-  nativeBuildInputs = [
-    cmake
-    doxygen
-    (python3.withPackages (ps: [
-      ps.pystache
-      ps.six
-    ]))
-  ];
-
-  strictDeps = true;
-
-  # Some grammar files needed to be copied too from some dependencies. I suppose
-  # if one define a dependency in such a way that its share directory is found,
-  # then this copying would be unnecessary. Instead of actually copying these
-  # files, create a symlink.
-  postInstall = ''
-    mkdir -p $out/share/belr/grammars
-    ln -s ${belcard}/share/belr/grammars/* $out/share/belr/grammars/
-  '';
-
-  meta = with lib; {
-    homepage = "https://www.linphone.org/technical-corner/liblinphone";
-    description = "Library for SIP calls and instant messaging";
-    license = licenses.gpl3Plus;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/li/lime/package.nix b/pkgs/by-name/li/lime/package.nix
deleted file mode 100644
index 8545552f2c4a..000000000000
--- a/pkgs/by-name/li/lime/package.nix
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-  bctoolbox,
-  belle-sip,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  bc-soci,
-  sqlite,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "lime";
-  version = "5.2.98";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "lime";
-    rev = version;
-    hash = "sha256-LdwXBJpwSA/PoCXL+c1pcX1V2Fq/eR6nNmwBKDM1Vr8=";
-  };
-
-  buildInputs = [
-    # Made by BC
-    bctoolbox
-    belle-sip
-
-    # Vendored by BC
-    bc-soci
-
-    sqlite
-  ];
-  nativeBuildInputs = [ cmake ];
-
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO" # Do not build static libraries
-    "-DENABLE_UNIT_TESTS=NO" # Do not build test executables
-  ];
-
-  meta = with lib; {
-    description = "End-to-end encryption library for instant messaging. Part of the Linphone project";
-    homepage = "https://www.linphone.org/technical-corner/lime";
-    license = licenses.gpl3Only;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/by-name/or/ortp/package.nix b/pkgs/by-name/or/ortp/package.nix
deleted file mode 100644
index 958453e58784..000000000000
--- a/pkgs/by-name/or/ortp/package.nix
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  bctoolbox,
-  cmake,
-  fetchFromGitLab,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "ortp";
-  version = "5.2.109";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "ortp";
-    rev = version;
-    hash = "sha256-EgUPICdKi8c/E6uonZB4DKyOZ3Od4JM5/bR2U6cq9ew=";
-  };
-
-  # Do not build static libraries
-  cmakeFlags = [ "-DENABLE_STATIC=NO" ];
-
-  env.NIX_CFLAGS_COMPILE = "-Wno-error=stringop-truncation";
-
-  buildInputs = [ bctoolbox ];
-  nativeBuildInputs = [ cmake ];
-
-  meta = with lib; {
-    description = "Real-Time Transport Protocol (RFC3550) stack. Part of the Linphone project";
-    mainProgram = "ortp_tester";
-    homepage = "https://linphone.org/technical-corner/ortp";
-    license = licenses.gpl3Plus;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/development/libraries/mediastreamer/default.nix b/pkgs/development/libraries/mediastreamer/default.nix
deleted file mode 100644
index d9e5e3080e56..000000000000
--- a/pkgs/development/libraries/mediastreamer/default.nix
+++ /dev/null
@@ -1,103 +0,0 @@
-{
-  bctoolbox,
-  bzrtp,
-  cmake,
-  fetchFromGitLab,
-  fetchpatch2,
-  ffmpeg,
-  glew,
-  gsm,
-  lib,
-  libX11,
-  libXext,
-  libopus,
-  libpulseaudio,
-  libv4l,
-  libvpx,
-  ortp,
-  python3,
-  qtbase,
-  qtdeclarative,
-  speex,
-  srtp,
-  stdenv,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "mediastreamer2";
-  version = "5.2.111";
-
-  dontWrapQtApps = true;
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "mediastreamer2";
-    rev = version;
-    hash = "sha256-Le52tsyzOpepmvb+GOGCPwwTriPUjhYpa6GM+y/6USA=";
-  };
-
-  patches = [
-    # Plugins directory is normally fixed during compile time. This patch makes
-    # it possible to set the plugins directory run time with an environment
-    # variable MEDIASTREAMER_PLUGINS_DIR. This makes it possible to construct a
-    # plugin directory with desired plugins and wrap executables so that the
-    # environment variable points to that directory.
-    ./plugins_dir.patch
-
-    # Port to ffmpeg 5.0 API
-    (fetchpatch2 {
-      url = "https://salsa.debian.org/pkg-voip-team/linphone-stack/mediastreamer2/-/raw/4e7784802d2eac57dffe210c8c23e696f40ac6ec/debian/patches/ffmpeg_5_0_fixes.patch";
-      hash = "sha256-5ay4iVbx8IOX952HEFaKLBGKLRYUWRntufciApUVhh0=";
-    })
-  ];
-
-  nativeBuildInputs = [
-    cmake
-    python3
-    qtbase
-    qtdeclarative
-  ];
-
-  propagatedBuildInputs = [
-    # Made by BC
-    bctoolbox
-    bzrtp
-    ortp
-
-    ffmpeg
-    glew
-    libX11
-    libXext
-    libpulseaudio
-    libv4l
-    speex
-    srtp
-
-    # Optional
-    gsm # GSM audio codec
-    libopus # Opus audio codec
-    libvpx # VP8 video codec
-  ];
-
-  strictDeps = true;
-
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO" # Do not build static libraries
-    "-DENABLE_QT_GL=ON" # Build necessary MSQOGL plugin for Linphone desktop
-    "-DCMAKE_C_FLAGS=-DGIT_VERSION=\"v${version}\""
-    "-DENABLE_STRICT=NO" # Disable -Werror
-    "-DENABLE_UNIT_TESTS=NO" # Do not build test executables
-  ];
-
-  NIX_LDFLAGS = "-lXext";
-
-  meta = with lib; {
-    description = "Powerful and lightweight streaming engine specialized for voice/video telephony applications. Part of the Linphone project";
-    homepage = "https://www.linphone.org/technical-corner/mediastreamer2";
-    license = licenses.gpl3Only;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/development/libraries/mediastreamer/msopenh264.nix b/pkgs/development/libraries/mediastreamer/msopenh264.nix
deleted file mode 100644
index 0fb31d565b4b..000000000000
--- a/pkgs/development/libraries/mediastreamer/msopenh264.nix
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-  cmake,
-  fetchFromGitLab,
-  mediastreamer,
-  openh264,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation {
-  pname = "msopenh264";
-  version = "linphone-4.4.1";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    owner = "public";
-    group = "BC";
-    repo = "msopenh264";
-    rev = "5603a432be2ed10f5d5a5ce068ef83ab2a996d6b";
-    sha256 = "sha256-AqZ7tsNZw2Djgyo1JBJbT/c3eQVyEn6r3CT6DQLD/B8=";
-  };
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [
-    mediastreamer
-    openh264
-  ];
-
-  # Do not build static libraries
-  cmakeFlags = [
-    "-DENABLE_STATIC=NO"
-    "-DCMAKE_SKIP_INSTALL_RPATH=ON"
-  ];
-
-  # CMAKE_INSTALL_PREFIX has no effect so let's install manually. See:
-  # https://gitlab.linphone.org/BC/public/msopenh264/issues/1
-  installPhase = ''
-    mkdir -p $out/lib/mediastreamer/plugins
-    cp src/libmsopenh264.so $out/lib/mediastreamer/plugins/
-  '';
-
-  meta = with lib; {
-    description = "H.264 encoder/decoder plugin for mediastreamer2. Part of the Linphone project";
-    homepage = "https://www.linphone.org/technical-corner/mediastreamer2";
-    license = licenses.gpl2;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/development/libraries/mediastreamer/plugins_dir.patch b/pkgs/development/libraries/mediastreamer/plugins_dir.patch
deleted file mode 100644
index 43e398aafee4..000000000000
--- a/pkgs/development/libraries/mediastreamer/plugins_dir.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --git a/src/base/msfactory.c b/src/base/msfactory.c
-index 14f868e3..2e3445a1 100644
---- a/src/base/msfactory.c
-+++ b/src/base/msfactory.c
-@@ -770,7 +770,12 @@ void ms_factory_uninit_plugins(MSFactory *factory){
- }
- 
- void ms_factory_init_plugins(MSFactory *obj) {
--	if (obj->plugins_dir == NULL) {
-+	char *package_plugins_dir;
-+	// Force plugin dir from environment variable if set
-+	package_plugins_dir = getenv("MEDIASTREAMER_PLUGINS_DIR");
-+	if (package_plugins_dir != NULL) {
-+		ms_factory_set_plugins_dir(obj, package_plugins_dir);
-+	} else if (obj->plugins_dir == NULL) {
- #ifdef __APPLE__
- 	char *dir = getPluginsDir();
- 	if (dir != NULL) {
diff --git a/pkgs/development/libraries/soci/bc-soci.nix b/pkgs/development/libraries/soci/bc-soci.nix
deleted file mode 100644
index 1d8d4bc1e46a..000000000000
--- a/pkgs/development/libraries/soci/bc-soci.nix
+++ /dev/null
@@ -1,54 +0,0 @@
-{
-  cmake,
-  fetchFromGitLab,
-  fetchpatch,
-  sqlite,
-  boost,
-  lib,
-  stdenv,
-}:
-
-stdenv.mkDerivation {
-  pname = "bc-soci";
-  version = "linphone-4.4.1";
-
-  src = fetchFromGitLab {
-    domain = "gitlab.linphone.org";
-    group = "BC";
-    owner = "public/external";
-    repo = "soci";
-    rev = "bc8ce0c5628dd48eca6ef5ce0a0a2f52547d88b6";
-    sha256 = "sha256-qo26aYp/G2C6UkGA1qkHQwTKD5go7TQ9JWxb9xtbe6M=";
-  };
-
-  patches = [
-    (fetchpatch {
-      name = "fix-backend-search-path.patch";
-      url = "https://github.com/SOCI/soci/commit/56c93afc467bdba8ffbe68739eea76059ea62f7a.patch";
-      sha256 = "sha256-nC/39pn3Cv5e65GgIfF3l64/AbCsfZHPUPIWETZFZAY=";
-    })
-  ];
-
-  cmakeFlags = [
-    # Do not build static libraries
-    "-DSOCI_SHARED=YES"
-    "-DSOCI_STATIC=OFF"
-
-    "-DSOCI_TESTS=NO"
-    "-DWITH_SQLITE3=YES"
-  ];
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [
-    sqlite
-    boost
-  ];
-
-  meta = with lib; {
-    description = "Database access library for C++. Belledonne Communications' fork for Linphone";
-    homepage = "https://gitlab.linphone.org/BC/public/external/soci";
-    license = licenses.boost;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ thibaultlemaire ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index baa3cf426e0a..af95b9d309d8 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -518,10 +518,17 @@ mapAliases {
   bareboxTools = throw "bareboxTools has been removed due to lack of interest in maintaining it in nixpkgs"; # Added 2025-04-19
   bazel_5 = throw "bazel_5 has been removed as it is EOL"; # Added 2025-08-09
   bazel_6 = throw "bazel_6 has been removed as it will be EOL by the release of Nixpkgs 25.11"; # Added 2025-08-19
+  bc-decaf = throw "'bc-decaf' has been removed due to being unmaintained"; # Added 2025-09-20
+  bc-soci = throw "'bc-soci' has been removed due to being unmaintained"; # Added 2025-09-20
+  bctoolbox = throw "'bctoolbox' has been removed due to being unmaintained"; # Added 2025-09-20
+  bcunit = throw "'bcunit' has been removed due to being unmaintained"; # Added 2025-09-20
   BeatSaberModManager = beatsabermodmanager; # Added 2024-06-12
   beam_nox = throw "beam_nox has been removed in favor of beam_minimal or beamMinimalPackages"; # Added 2025-04-01
   beatsabermodmanager = throw "'beatsabermodmanager' has been removed due to lack of upstream maintainenance. Consider using 'bs-manager' instead"; # Added 2025-03-18
   inherit (beetsPackages) beets-unstable;
+  belcard = throw "'belcard' has been removed due to being unmaintained"; # Added 2025-09-20
+  belle-sip = throw "'belle-sip' has been removed due to being unmaintained"; # Added 2025-09-20
+  belr = throw "'belr' has been removed due to being unmaintained"; # Added 2025-09-20
   betterbird = throw "betterbird has been removed as there were insufficient maintainer resources to keep up with security updates"; # Added 2024-10-25
   betterbird-unwrapped = throw "betterbird has been removed as there were insufficient maintainer resources to keep up with security updates"; # Added 2024-10-25
   bfc = throw "bfc has been removed, as it does not build with supported LLVM versions"; # Added 2025-08-10
@@ -580,6 +587,8 @@ mapAliases {
   bitwarden_rs-sqlite = vaultwarden-sqlite; # Added 2021-07-01
   bitwarden_rs-vault = vaultwarden-vault; # Added 2021-07-01
 
+  bzrtp = throw "'bzrtp' has been removed due to being unmaintained"; # Added 2025-09-20
+
   ### C ###
 
   caffeWithCuda = throw "caffeWithCuda has been removed, as it was broken and required CUDA 10"; # Added 2024-11-20
@@ -1358,6 +1367,7 @@ mapAliases {
   libixp_hg = libixp; # Added 2022-04-25
   libjpeg_drop = throw "'libjpeg_drop' has been renamed to/replaced by 'libjpeg_original'"; # Converted to throw 2024-10-17
   liblastfm = throw "'liblastfm' has been renamed to/replaced by 'libsForQt5.liblastfm'"; # Converted to throw 2024-10-17
+  liblinphone = throw "'liblinphone' has been removed due to being unmaintained"; # Added 2025-09-20
   libmp3splt = throw "'libmp3splt' has been removed due to lack of maintenance upstream."; # Added 2025-05-17
   libmusicbrainz3 = throw "libmusicbrainz3 has been removed as it was obsolete and unused"; # Added 2025-09-16
   libmusicbrainz5 = libmusicbrainz; # Added 2025-09-16
@@ -1408,8 +1418,10 @@ mapAliases {
   ligo = throw "ligo has been removed from nixpkgs for lack of maintainance"; # Added 2025-06-03
   lima-bin = lib.warnOnInstantiate "lima-bin has been replaced by lima" lima; # Added 2025-05-13
   lime3ds = throw "lime3ds is deprecated, use 'azahar' instead."; # Added 2025-03-22
+  lime = throw "'lime' has been removed due to being unmaintained"; # Added 2025-03-20
   limesctl = throw "limesctl has been removed because it is insignificant."; # Added 2024-11-25
   linenoise-ng = throw "'linenoise-ng' has been removed as the upstream project was archived. Consider using 'linenoise' instead."; # Added 2025-05-05
+  linphone = throw "'linphone' has been removed due to being unmaintained"; # Added 2025-09-20
   lispPackages_new = throw "Lisp packages have been redesigned. See 'lisp-modules' in the nixpkgs manual."; # Added 2024-05-07
   lispPackages = throw "Lisp packages have been redesigned. See 'lisp-modules' in the nixpkgs manual."; # Added 2024-05-07
   lispPackagesFor = throw "Lisp packages have been redesigned. See 'lisp-modules' in the nixpkgs manual."; # Added 2024-05-07
@@ -1701,6 +1713,8 @@ mapAliases {
   mcomix3 = mcomix; # Added 2022-06-05
   mdt = md-tui; # Added 2024-09-03
   meilisearch_1_11 = throw "'meilisearch_1_11' has been removed, as it is no longer supported"; # Added 2025-10-03
+  mediastreamer = throw "'mediastreamer' has been removed due to being unmaintained"; # Added 2025-09-20
+  mediastreamer-openh264 = throw "'mediastreamer-openh264' has been removed due to being unmaintained"; # Added 2025-09-20
   meme = throw "'meme' has been renamed to/replaced by 'meme-image-generator'"; # Converted to throw 2024-10-17
   memorymapping = throw "memorymapping has been removed, as it was only useful on old macOS versions that are no longer supported"; # Added 2024-10-05
   memorymappingHook = throw "memorymapping has been removed, as it was only useful on old macOS versions that are no longer supported"; # Added 2024-10-05
@@ -2004,6 +2018,7 @@ mapAliases {
   openvdb_11 = throw "'openvdb_11' has been removed in favor of the latest version'"; # Added 2025-05-03
   opera = throw "'opera' has been removed due to lack of maintenance in nixpkgs"; # Added 2025-05-19
   orchis = throw "'orchis' has been renamed to/replaced by 'orchis-theme'"; # Converted to throw 2024-10-17
+  ortp = throw "'ortp' has been removed due to being unmaintained"; # Added 2025-09-20
   omping = throw "'omping' has been removed because its upstream has been archived"; # Added 2025-05-10
   onlyoffice-bin = onlyoffice-desktopeditors; # Added 2024-09-20
   onlyoffice-bin_latest = onlyoffice-bin; # Added 2024-07-03
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0b6db533ca28..f0ec1028812f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7044,8 +7044,6 @@ with pkgs;
 
   inherit (callPackages ../development/libraries/bashup-events { }) bashup-events32 bashup-events44;
 
-  bc-soci = callPackage ../development/libraries/soci/bc-soci.nix { };
-
   # TODO(@Ericson2314): Build bionic libc from source
   bionic =
     if stdenv.hostPlatform.useAndroidPrebuilt then
@@ -8128,10 +8126,6 @@ with pkgs;
   mbedtls_2 = callPackage ../development/libraries/mbedtls/2.nix { };
   mbedtls = callPackage ../development/libraries/mbedtls/3.nix { };
 
-  mediastreamer = libsForQt5.callPackage ../development/libraries/mediastreamer { };
-
-  mediastreamer-openh264 = callPackage ../development/libraries/mediastreamer/msopenh264.nix { };
-
   mergerfs = callPackage ../tools/filesystems/mergerfs { };
 
   mergerfs-tools = callPackage ../tools/filesystems/mergerfs/tools.nix { };
@@ -11810,8 +11804,6 @@ with pkgs;
   libutp = callPackage ../applications/networking/p2p/libutp { };
   libutp_3_4 = callPackage ../applications/networking/p2p/libutp/3.4.nix { };
 
-  linphone = libsForQt5.callPackage ../applications/networking/instant-messengers/linphone { };
-
   lmms = libsForQt5.callPackage ../applications/audio/lmms {
     lame = null;
     libsoundio = null;