diff --git a/pkgs/by-name/ar/artha/package.nix b/pkgs/by-name/ar/artha/package.nix
deleted file mode 100644
index 85d7a879b094..000000000000
--- a/pkgs/by-name/ar/artha/package.nix
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  lib,
-  stdenv,
-  autoreconfHook,
-  fetchurl,
-  dbus-glib,
-  gtk2,
-  pkg-config,
-  wordnet,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "artha";
-  version = "1.0.5";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/artha/${finalAttrs.version}/artha-${finalAttrs.version}.tar.bz2";
-    sha256 = "034r7vfk5y7705k068cdlq52ikp6ip10w6047a5zjdakbn55c3as";
-  };
-
-  nativeBuildInputs = [
-    autoreconfHook
-    pkg-config
-  ];
-  buildInputs = [
-    dbus-glib
-    gtk2
-    wordnet
-  ];
-
-  meta = {
-    description = "Offline thesaurus based on WordNet";
-    homepage = "https://artha.sourceforge.net";
-    license = lib.licenses.gpl2;
-    maintainers = [ ];
-    platforms = lib.platforms.linux;
-    mainProgram = "artha";
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 9a19614b67e9..f8062b8ab237 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -327,6 +327,7 @@ mapAliases {
   argo = throw "'argo' has been renamed to/replaced by 'argo-workflows'"; # Converted to throw 2025-10-27
   aria = throw "'aria' has been renamed to/replaced by 'aria2'"; # Converted to throw 2025-10-27
   arrayfire = throw "arrayfire was removed due to numerous vulnerabilities in freeimage"; # Added 2025-10-23
+  artha = throw "'artha' has been removed, as the packaged GTK 2 application is unmaintained upstream. Consider using 'wordnet' instead."; # Added 2026-05-22
   artichoke = throw "artichoke has been removed due to being archived upstream."; # Added 2025-11-04
   artim-dark = aritim-dark; # Added 2025-07-27
   artyFX = openav-artyfx; # Added 2026-02-08