diff --git a/pkgs/by-name/ca/carp/package.nix b/pkgs/by-name/ca/carp/package.nix
deleted file mode 100644
index 5325019c7785..000000000000
--- a/pkgs/by-name/ca/carp/package.nix
+++ /dev/null
@@ -1,79 +0,0 @@
-{
-  lib,
-  fetchFromGitHub,
-  fetchpatch,
-  makeWrapper,
-  clang,
-  haskellPackages,
-}:
-
-haskellPackages.mkDerivation rec {
-  pname = "carp";
-  version = "0.5.5";
-
-  src = fetchFromGitHub {
-    owner = "carp-lang";
-    repo = "Carp";
-    rev = "v${version}";
-    sha256 = "sha256-B7SBzjegFzL2gGivIJE6BZcLD3f0Bsh8yndjScG2TZI=";
-  };
-
-  patches = [
-    # Compat with GHC 9.2 / Stackage LTS 20, can be dropped at the next release
-    # https://github.com/carp-lang/Carp/pull/1449
-    (fetchpatch {
-      name = "carp-lts-20.patch";
-      url = "https://github.com/carp-lang/Carp/commit/25f50c92a57cc91b6cb4ec48df658439f936b641.patch";
-      sha256 = "14yjv0hcvw1qyjmrhksrj6chac3n14d1f1gcaxldfa05llrbfqk0";
-    })
-  ];
-
-  # -Werror breaks build with GHC >= 9.0
-  # https://github.com/carp-lang/Carp/issues/1386
-  postPatch = ''
-    substituteInPlace CarpHask.cabal --replace "-Werror" ""
-  '';
-
-  buildTools = [ makeWrapper ];
-
-  executableHaskellDepends = with haskellPackages; [
-    HUnit
-    blaze-markup
-    blaze-html
-    split
-    ansi-terminal
-    cmark
-    edit-distance
-    hashable
-    open-browser
-    optparse-applicative
-  ];
-
-  isExecutable = true;
-
-  # The carp executable must know where to find its core libraries and other
-  # files. Set the environment variable CARP_DIR so that it points to the root
-  # of the Carp repo. See:
-  # https://github.com/carp-lang/Carp/blob/master/docs/Install.md#setting-the-carp_dir
-  #
-  # Also, clang must be available run-time because carp is compiled to C which
-  # is then compiled with clang.
-  postInstall = ''
-    wrapProgram $out/bin/carp                                  \
-      --set CARP_DIR $src                                      \
-      --prefix PATH : ${clang}/bin
-    wrapProgram $out/bin/carp-header-parse                     \
-      --set CARP_DIR $src                                      \
-      --prefix PATH : ${clang}/bin
-  '';
-
-  description = "Statically typed lisp, without a GC, for real-time applications";
-  homepage = "https://github.com/carp-lang/Carp";
-  license = lib.licenses.asl20;
-  maintainers = with lib.maintainers; [ jluttine ];
-  # Not actively maintained at the moment
-  broken = true;
-
-  # Windows not (yet) supported.
-  platforms = with lib.platforms; unix ++ darwin;
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 7e131ca1db6e..3a6632e24e2b 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -410,6 +410,7 @@ mapAliases {
   cargo-espflash = throw "'cargo-espflash' has been renamed to/replaced by 'espflash'"; # Converted to throw 2025-10-27
   cargo-sync-readme = throw "'cargo-sync-readme' has been removed because upstream 404s"; # Converted to throw 2025-12-18
   cargonode = throw "'cargonode' has been removed due to lack of upstream maintenance"; # Added 2025-06-18
+  carp = throw "'carp' has been removed due to being broken for more than a year; see RFC 180"; # Added 2026-02-05
   cask = throw "'cask' has been renamed to/replaced by 'emacs.pkgs.cask'"; # Converted to throw 2025-10-27
   catalyst-browser = throw "'catalyst-browser' has been removed due to a lack of maintenance and not satisfying our security criteria for browsers."; # Added 2025-06-25
   cataract = throw "'cataract' has been removed due to a lack of maintenace"; # Added 2025-08-25