diff --git a/pkgs/by-name/re/remarshal_0_17/package.nix b/pkgs/by-name/re/remarshal_0_17/package.nix
deleted file mode 100644
index a4109bad5238..000000000000
--- a/pkgs/by-name/re/remarshal_0_17/package.nix
+++ /dev/null
@@ -1,76 +0,0 @@
-{
-  lib,
-  python3Packages,
-  fetchFromGitHub,
-  fetchPypi,
-  fetchpatch,
-}:
-
-let
-  packageOverrides = self: super: {
-    tomlkit = super.tomlkit.overridePythonAttrs (oldAttrs: rec {
-      version = "0.12.5";
-      src = fetchPypi {
-        pname = "tomlkit";
-        inherit version;
-        hash = "sha256-7vNPujmDTU1rc8m6fz5NHEF6Tlb4mn6W4JDdDSS4+zw=";
-      };
-      patches = [
-        (fetchpatch {
-          url = "https://github.com/python-poetry/tomlkit/commit/05d9be1c2b2a95a4eb3a53d999f1483dd7abae5a.patch";
-          hash = "sha256-9pLGxcGHs+XoKrqlh7Q0dyc07XrK7J6u2T7Kvfd0ICc=";
-          excludes = [ ".github/workflows/tests.yml" ];
-        })
-      ];
-    });
-  };
-  python = python3Packages.python.override (old: {
-    self = python3Packages.python;
-    packageOverrides = lib.composeExtensions (old.packageOverrides or (_: _: { })) packageOverrides;
-  });
-  pythonPackages = python.pkgs;
-in
-pythonPackages.buildPythonApplication (finalAttrs: {
-  pname = "remarshal";
-  version = "0.17.1"; # last version with YAML 1.1 support, do not update
-  pyproject = true;
-
-  __structuredAttrs = true;
-
-  src = fetchFromGitHub {
-    owner = "remarshal-project";
-    repo = "remarshal";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-2WxMh5P/8NvElymnMU3JzQU0P4DMXFF6j15OxLaS+VA=";
-  };
-
-  pythonRemoveDeps = [ "pytest" ];
-
-  build-system = [ pythonPackages.poetry-core ];
-
-  dependencies = with pythonPackages; [
-    cbor2
-    colorama
-    python-dateutil
-    pyyaml
-    rich-argparse
-    ruamel-yaml
-    tomlkit
-    u-msgpack-python
-  ];
-
-  pythonRelaxDeps = [ "cbor2" ];
-
-  nativeCheckInputs = [ pythonPackages.pytestCheckHook ];
-
-  # nixpkgs-update: no auto update
-
-  meta = {
-    changelog = "https://github.com/remarshal-project/remarshal/releases/tag/${finalAttrs.src.tag}";
-    description = "Convert between TOML, YAML and JSON";
-    license = lib.licenses.mit;
-    homepage = "https://github.com/remarshal-project/remarshal";
-    maintainers = with lib.maintainers; [ hexa ];
-    mainProgram = "remarshal";
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 336a2e642fab..428a4fb817d7 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -2026,6 +2026,7 @@ mapAliases {
   redpanda = throw "'redpanda' has been renamed to/replaced by 'redpanda-client'"; # Converted to throw 2025-10-27
   redshift-plasma-applet = throw "'redshift-plasma-applet' has been removed as it is obsolete and lacks maintenance upstream."; # Added 2025-11-09
   reiserfsprogs = throw "'reiserfsprogs' has been removed as ReiserFS has not been actively maintained for many years."; # Added 2025-11-13
+  remarshal_0_17 = throw "'remarshal_0_17' has been removed because 'remarshal' supports YAML 1.1 with the `--to yaml-1.1` flag."; # added 2026-07-30
   remodel = throw "'remodel' has been removed because it was unmaintained upstream, deprecated in favor of 'lune'"; # Added 2026-05-08
   remotebox = throw "remotebox has been removed because it was unmaintained and broken for a long time"; # Added 2025-09-11
   resp-app = throw "'resp-app' has been replaced by 'redisinsight'"; # Added 2025-12-17