diff --git a/pkgs/by-name/gc/gcc-arm-embedded-10/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-10/package.nix
deleted file mode 100644
index 119c137ffd64..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-10/package.nix
+++ /dev/null
@@ -1,79 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "10.3.1";
-  release = "10.3-2021.10";
-
-  suffix =
-    {
-      aarch64-linux = "aarch64-linux";
-      x86_64-darwin = "mac";
-      x86_64-linux = "x86_64-linux";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${release}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
-    sha256 =
-      {
-        aarch64-linux = "020j8gkzc0i0b74vz98gvngnwjm5222j1gk5nswfk6587krba1gn";
-        x86_64-darwin = "0fr8pki2g4bfk1rk90dzwql37d0b71ngzs9zyx0g2jainan3sqgv";
-        x86_64-linux = "18y92vpl22hf74yqdvmpw8adrkl92s4crzzs6avm05md37qb9nwp";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    ln -s $out/share/doc/gcc-arm-none-eabi/man $out/man
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [
-      prusnak
-      prtzl
-    ];
-    platforms = [
-      "x86_64-linux"
-      "aarch64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-11/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-11/package.nix
deleted file mode 100644
index bd2525f3d6c6..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-11/package.nix
+++ /dev/null
@@ -1,81 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-  libxcrypt-legacy,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "11.3.rel1";
-
-  platform =
-    {
-      aarch64-linux = "aarch64";
-      x86_64-darwin = "darwin-x86_64";
-      x86_64-linux = "x86_64";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu/${version}/binrel/arm-gnu-toolchain-${version}-${platform}-arm-none-eabi.tar.xz";
-    sha256 =
-      {
-        aarch64-linux = "0pmm5r0k5mxd5drbn2s8a7qkm8c4fi8j5y31c70yrp0qs08kqwbc";
-        x86_64-darwin = "1kr9kd9p2xk84fa99zf3gz5lkww2i9spqkjigjwakfkzbva56qw2";
-        x86_64-linux = "08b1w1zmj4z80k59zmlc1bf34lg8d7z65fwvp5ir2pb1d1zxh86l";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    # these binaries require ancient Python 3.8 not available in Nixpkgs
-    rm $out/bin/{arm-none-eabi-gdb-py,arm-none-eabi-gdb-add-index-py} || :
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-          libxcrypt-legacy
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [
-      prusnak
-      prtzl
-    ];
-    platforms = [
-      "x86_64-linux"
-      "aarch64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-12/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-12/package.nix
deleted file mode 100644
index 73eb2ceff0b2..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-12/package.nix
+++ /dev/null
@@ -1,84 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-  libxcrypt-legacy,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "12.3.rel1";
-
-  platform =
-    {
-      aarch64-darwin = "darwin-arm64";
-      aarch64-linux = "aarch64";
-      x86_64-darwin = "darwin-x86_64";
-      x86_64-linux = "x86_64";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu/${version}/binrel/arm-gnu-toolchain-${version}-${platform}-arm-none-eabi.tar.xz";
-    sha256 =
-      {
-        aarch64-darwin = "sha256-Oy7uC99xwbvrPDt0JPv3vZ1cPw9aOkp4FZyeOtIZ570=";
-        aarch64-linux = "sha256-FMBIfVdT9gcdJOVoiB98fmf4DdgxZd7FFks3MTlK9DE=";
-        x86_64-darwin = "sha256-5u2L+TD62c4z4SCrkLNpV7H3efzKpt5snKmliYLAQpE=";
-        x86_64-linux = "sha256-EqKBVkQxjrzOr4S+q7Zl0JJLbnniEEhFLFMxpWMyswk=";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    # these binaries require ancient Python 3.8 not available in Nixpkgs
-    rm $out/bin/{arm-none-eabi-gdb-py,arm-none-eabi-gdb-add-index-py} || :
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-          libxcrypt-legacy
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [
-      prusnak
-      prtzl
-    ];
-    platforms = [
-      "x86_64-linux"
-      "aarch64-linux"
-      "x86_64-darwin"
-      "aarch64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-6/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-6/package.nix
deleted file mode 100644
index 5d6d75f5e461..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-6/package.nix
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "6.3.1";
-  release = "6-2017-q2-update";
-  subdir = "6-2017q2";
-
-  suffix =
-    {
-      x86_64-darwin = "mac";
-      x86_64-linux = "linux";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
-    sha256 =
-      {
-        x86_64-darwin = "0019ylpq4inq7p5gydpmc9m8ni72fz2csrjlqmgx1698998q0c3x";
-        x86_64-linux = "1hvwi02mx34al525sngnl0cm7dkmzxfkb1brq9kvbv28wcplp3p6";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    ln -s $out/share/doc/gcc-arm-none-eabi/man $out/man
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [ prusnak ];
-    platforms = [
-      "x86_64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-7/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-7/package.nix
deleted file mode 100644
index 1d594b3a320b..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-7/package.nix
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "7.3.1";
-  release = "7-2018-q2-update";
-  subdir = "7-2018q2";
-
-  suffix =
-    {
-      x86_64-darwin = "mac";
-      x86_64-linux = "linux";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
-    sha256 =
-      {
-        x86_64-darwin = "0nc7m0mpa39qyhfyydxkkyqm7spfc27xf6ygi2vd2aym4r9azi61";
-        x86_64-linux = "0sgysp3hfpgrkcbfiwkp0a7ymqs02khfbrjabm52b5z61sgi05xv";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    ln -s $out/share/doc/gcc-arm-none-eabi/man $out/man
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [ prusnak ];
-    platforms = [
-      "x86_64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-8/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-8/package.nix
deleted file mode 100644
index 57960b832b62..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-8/package.nix
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "8.3.1";
-  release = "8-2019-q3-update";
-  subdir = "8-2019q3/RC1.1";
-
-  suffix =
-    {
-      x86_64-darwin = "mac";
-      x86_64-linux = "linux";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
-    sha256 =
-      {
-        x86_64-darwin = "fc235ce853bf3bceba46eff4b95764c5935ca07fc4998762ef5e5b7d05f37085";
-        x86_64-linux = "b50b02b0a16e5aad8620e9d7c31110ef285c1dde28980b1a9448b764d77d8f92";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    ln -s $out/share/doc/gcc-arm-none-eabi/man $out/man
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [ prusnak ];
-    platforms = [
-      "x86_64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/gc/gcc-arm-embedded-9/package.nix b/pkgs/by-name/gc/gcc-arm-embedded-9/package.nix
deleted file mode 100644
index 04db68661c77..000000000000
--- a/pkgs/by-name/gc/gcc-arm-embedded-9/package.nix
+++ /dev/null
@@ -1,77 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  ncurses5,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gcc-arm-embedded";
-  version = "9.3.1";
-  release = "9-2020-q2-update";
-  subdir = "9-2020q2";
-
-  suffix =
-    {
-      aarch64-linux = "aarch64-linux";
-      x86_64-darwin = "mac";
-      x86_64-linux = "x86_64-linux";
-    }
-    .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-
-  src = fetchurl {
-    url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
-    sha256 =
-      {
-        aarch64-linux = "1b5q2y710hy7lddj8vj3zl54gfl74j30kx3hk3i81zrcbv16ah8z";
-        x86_64-darwin = "1ils9z16wrvglh72m428y5irmd36biq79yj86756whib8izbifdv";
-        x86_64-linux = "07zi2yr5gvhpbij5pnj49zswb9g2gw7zqp4xwwniqmq477h2xp2s";
-      }
-      .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-  dontPatchELF = true;
-  dontStrip = true;
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r * $out
-    ln -s $out/share/doc/gcc-arm-none-eabi/man $out/man
-  '';
-
-  preFixup = lib.optionalString stdenv.isLinux ''
-    find $out -type f | while read f; do
-      patchelf "$f" > /dev/null 2>&1 || continue
-      patchelf --set-interpreter $(cat ${stdenv.cc}/nix-support/dynamic-linker) "$f" || true
-      patchelf --set-rpath ${
-        lib.makeLibraryPath [
-          "$out"
-          stdenv.cc.cc
-          ncurses5
-        ]
-      } "$f" || true
-    done
-  '';
-
-  meta = with lib; {
-    description = "Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors";
-    homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
-    license = with licenses; [
-      bsd2
-      gpl2
-      gpl3
-      lgpl21
-      lgpl3
-      mit
-    ];
-    maintainers = with maintainers; [ prusnak ];
-    platforms = [
-      "x86_64-linux"
-      "aarch64-linux"
-      "x86_64-darwin"
-    ];
-    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-  };
-}
diff --git a/pkgs/by-name/ni/nitrokey-start-firmware/package.nix b/pkgs/by-name/ni/nitrokey-start-firmware/package.nix
index 8bad7ed5fbc2..4169ccf702c0 100644
--- a/pkgs/by-name/ni/nitrokey-start-firmware/package.nix
+++ b/pkgs/by-name/ni/nitrokey-start-firmware/package.nix
@@ -2,7 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  gcc-arm-embedded,
+  gcc-arm-embedded-13,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -34,7 +34,7 @@ stdenv.mkDerivation (finalAttrs: {
     "--enable-certdo"
   ];
 
-  nativeBuildInputs = [ gcc-arm-embedded ];
+  nativeBuildInputs = [ gcc-arm-embedded-13 ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 729df4dba04c..9c5a3c202b49 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2541,9 +2541,7 @@ with pkgs;
 
   klipper = callPackage ../servers/klipper { };
 
-  klipper-firmware = callPackage ../servers/klipper/klipper-firmware.nix {
-    gcc-arm-embedded = gcc-arm-embedded-13;
-  };
+  klipper-firmware = callPackage ../servers/klipper/klipper-firmware.nix { };
 
   klipper-flash = callPackage ../servers/klipper/klipper-flash.nix { };
 
@@ -6371,7 +6369,7 @@ with pkgs;
     inherit (llvmPackages_15) llvm;
   };
 
-  gcc-arm-embedded = gcc-arm-embedded-12;
+  gcc-arm-embedded = gcc-arm-embedded-14;
 
   # It would be better to match the default gcc so that there are no linking errors
   # when using C/C++ libraries in D packages, but right now versions >= 12 are broken.