diff --git a/pkgs/by-name/ch/chromium-xorg-conf/package.nix b/pkgs/by-name/ch/chromium-xorg-conf/package.nix
deleted file mode 100644
index d9608650ed9d..000000000000
--- a/pkgs/by-name/ch/chromium-xorg-conf/package.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-{ fetchFromGitiles }:
-
-fetchFromGitiles {
-  name = "chromium-xorg-conf";
-  url = "https://chromium.googlesource.com/chromiumos/platform/xorg-conf";
-  rev = "26fb9d57e195c7e467616b35b17e2b5d279c1514";
-  sha256 = "0643y3l3hjk4mv4lm3h9z56h990q6k11hcr10lcqppgsii0d3zcf";
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index f63cb9db18ca..8017987d67c3 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -481,6 +481,7 @@ mapAliases {
   ChowPhaser = throw "'ChowPhaser' has been renamed to/replaced by 'chow-phaser'"; # Converted to throw 2025-10-27
   CHOWTapeModel = throw "'CHOWTapeModel' has been renamed to/replaced by 'chow-tape-model'"; # Converted to throw 2025-10-27
   chrome-gnome-shell = throw "'chrome-gnome-shell' has been renamed to/replaced by 'gnome-browser-connector'"; # Converted to throw 2025-10-27
+  chromium-xorg-conf = throw "'chromium-xorg-conf' has been removed as it was only used by the 'cmt' NixOS module, which was removed"; # Added 2026-05-25
   ci-edit = throw "'ci-edit' has been removed due to lack of maintenance upstream"; # Added 2025-08-26
   cinnamon-common = cinnamon; # Added 2025-08-06
   ciopfs = throw "'ciopfs' has been removed due to lack of fuse 3 support."; # Added 2026-06-05