diff --git a/pkgs/by-name/di/disk-inventory-x/package.nix b/pkgs/by-name/di/disk-inventory-x/package.nix
deleted file mode 100644
index 6721aa766ff2..000000000000
--- a/pkgs/by-name/di/disk-inventory-x/package.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{
-  lib,
-  stdenvNoCC,
-  fetchurl,
-  undmg,
-}:
-stdenvNoCC.mkDerivation (finalAttrs: {
-  pname = "disk-inventory-x";
-  version = "1.3";
-
-  src = fetchurl {
-    url = "https://www.derlien.com/diskinventoryx/downloads/Disk%20Inventory%20X%20${finalAttrs.version}.dmg";
-    sha256 = "1rfqp8ia6ficvqxynn43f1pba4rfmhf61kn2ihysbnjs8c33bbvq";
-  };
-  sourceRoot = ".";
-
-  nativeBuildInputs = [ undmg ];
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/Applications
-    cp -r *.app $out/Applications
-
-    runHook postInstall
-  '';
-
-  meta = {
-    description = "Disk usage utility for Mac OS X";
-    homepage = "https://www.derlien.com";
-    license = lib.licenses.gpl3Plus;
-    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-    maintainers = with lib.maintainers; [ emilytrau ];
-    platforms = [ ];
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 582b971aa387..04c61ce16ce9 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -654,6 +654,7 @@ mapAliases {
   devdocs-desktop = throw "'devdocs-desktop' has been removed as it is unmaintained upstream and vendors insecure dependencies"; # Added 2025-06-11
   dfilemanager = throw "'dfilemanager' has been dropped as it was unmaintained"; # Added 2025-06-03
   discord-screenaudio = throw "discord-screenaudio has been removed because it was archived upstream. Use vesktop instead."; # added 2025-11-29
+  disk-inventory-x = throw "disk-inventory-x has been removed as it only supported x86_64-darwin"; # Added 2026-07-12
   DisnixWebService = warnAlias "'DisnixWebService' has been renamed to 'disnix-web-service'" disnix-web-service; # Added 2026-01-14
   djmount = throw "'djmount' has been removed as it is no longer maintained"; # Added 2026-05-19
   dleyna-connector-dbus = throw "'dleyna-connector-dbus' has been renamed to/replaced by 'dleyna'"; # Converted to throw 2025-10-27