diff --git a/pkgs/development/compilers/cone/default.nix b/pkgs/development/compilers/cone/default.nix
deleted file mode 100644
index 0e95fdbc6ae5..000000000000
--- a/pkgs/development/compilers/cone/default.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-  llvmPackages,
-  lib,
-  fetchFromGitHub,
-  cmake,
-}:
-
-llvmPackages.stdenv.mkDerivation rec {
-  pname = "cone";
-  version = "unstable-2022-12-12";
-
-  src = fetchFromGitHub {
-    owner = "jondgoodwin";
-    repo = pname;
-    rev = "698bd6afc75777eabbc8ef576d64d683c6a1c5ab";
-    sha256 = "0y2s9xgkci8n72v6gnc1i7shr2y3g2sa8fbr25gpxa9ipiq9khg7";
-  };
-
-  nativeBuildInputs = [ cmake ];
-
-  buildInputs = [
-    llvmPackages.llvm
-  ];
-
-  # M68k is an experimental target, so not enabled by default
-  postPatch = ''
-    sed -i CMakeLists.txt \
-        -e '/M68k/d'
-  '';
-
-  installPhase = ''
-    install -Dm755 conec $out/bin/conec
-    install -Dm644 libconestd.a $out/lib/libconestd.a
-  '';
-
-  meta = with lib; {
-    description = "Cone Programming Language";
-    mainProgram = "conec";
-    homepage = "https://cone.jondgoodwin.com";
-    license = licenses.mit;
-    maintainers = with maintainers; [ ];
-    platforms = platforms.all;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 4591754e977b..55a652ce1a28 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -639,6 +639,7 @@ mapAliases {
   colloid-kde = throw "'colloid-kde' has been removed, as it is only compatible with Plasma 5, which is EOL"; # Added 2025-08-20
   colorpicker = throw "'colorpicker' has been removed due to lack of maintenance upstream. Consider using 'xcolor', 'gcolor3', 'eyedropper' or 'gpick' instead"; # Added 2024-10-19
   colorstorm = throw "'colorstorm' has been removed because it was unmaintained in nixpkgs and upstream was rewritten."; # Added 2025-06-15
+  cone = throw "cone has been removed, as it does not build with supported LLVM versions"; # Added 2025-08-10
   connman-ncurses = throw "'connman-ncurses' has been removed due to lack of maintenance upstream."; # Added 2025-05-27
   copilot-language-server-fhs = lib.warnOnInstantiate "The package set `copilot-language-server-fhs` has been renamed to `copilot-language-server`." copilot-language-server; # Added 2025-09-07
   copper = throw "'copper' has been removed, as it was broken since 22.11"; # Added 2025-08-22
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d0f4324a0e98..2d8f2ea5d7dc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2613,10 +2613,6 @@ with pkgs;
 
   compass = callPackage ../development/tools/compass { };
 
-  cone = callPackage ../development/compilers/cone {
-    llvmPackages = llvmPackages_13;
-  };
-
   coreutils = callPackage ../tools/misc/coreutils { };
 
   # The coreutils above are built with dependencies from