diff --git a/nixos/doc/manual/release-notes/rl-2605.section.md b/nixos/doc/manual/release-notes/rl-2605.section.md
index eca0f9b880d6..f0054e93cc18 100644
--- a/nixos/doc/manual/release-notes/rl-2605.section.md
+++ b/nixos/doc/manual/release-notes/rl-2605.section.md
@@ -286,6 +286,8 @@ See <https://github.com/NixOS/nixpkgs/issues/481673>.
 
 - support for `ecryptfs` in nixpkgs has been removed.
 
+- `services.xserver.cmt` has been removed as the `xf86-input-cmt` package was broken and unmaintained upstream.
+
 - `programs.light` was removed from nixpkgs due to the corresponding package being unmaintained upstream. `brightnessctl` and `programs.acpilight` offer replacements.
 
 - `ceph` has been upgraded to v20. See the [Ceph "tentacle" release notes](https://docs.ceph.com/en/latest/releases/tentacle/#v20-2-0-tentacle) for details and recommended upgrade procedure.
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 718fb29d4d8d..e27b4a1250ec 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1856,7 +1856,6 @@
   ./services/x11/display-managers/xpra.nix
   ./services/x11/extra-layouts.nix
   ./services/x11/fractalart.nix
-  ./services/x11/hardware/cmt.nix
   ./services/x11/hardware/digimend.nix
   ./services/x11/hardware/synaptics.nix
   ./services/x11/hardware/wacom.nix
diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index a66a9bd5b929..040b2bc34cd5 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -510,6 +510,9 @@ in
     (mkRemovedOptionModule [ "services" "xtreemfs" ] ''
       services.xtreemfs has been removed as it was broken and unmaintained upstream
     '')
+    (mkRemovedOptionModule [ "services" "xserver" "cmt" ] ''
+      services.xserver.cmt has been removed as it was broken and unmaintained upstream
+    '')
     # Do NOT add any option renames here, see top of the file
   ];
 }
diff --git a/nixos/modules/services/x11/hardware/cmt.nix b/nixos/modules/services/x11/hardware/cmt.nix
deleted file mode 100644
index ca636fdb73fe..000000000000
--- a/nixos/modules/services/x11/hardware/cmt.nix
+++ /dev/null
@@ -1,114 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
-with lib;
-
-let
-
-  cfg = config.services.xserver.cmt;
-  etcPath = "X11/xorg.conf.d";
-
-in
-{
-
-  options = {
-
-    services.xserver.cmt = {
-      enable = mkOption {
-        type = types.bool;
-        default = false;
-        description = "Enable chrome multitouch input (cmt). Touchpad drivers that are configured for chromebooks.";
-      };
-      models = mkOption {
-        type = types.enum [
-          "atlas"
-          "banjo"
-          "candy"
-          "caroline"
-          "cave"
-          "celes"
-          "clapper"
-          "cyan"
-          "daisy"
-          "elan"
-          "elm"
-          "enguarde"
-          "eve"
-          "expresso"
-          "falco"
-          "gandof"
-          "glimmer"
-          "gnawty"
-          "heli"
-          "kevin"
-          "kip"
-          "leon"
-          "lulu"
-          "orco"
-          "pbody"
-          "peppy"
-          "pi"
-          "pit"
-          "puppy"
-          "quawks"
-          "rambi"
-          "samus"
-          "snappy"
-          "spring"
-          "squawks"
-          "swanky"
-          "winky"
-          "wolf"
-          "auron_paine"
-          "auron_yuna"
-          "daisy_skate"
-          "nyan_big"
-          "nyan_blaze"
-          "veyron_jaq"
-          "veyron_jerry"
-          "veyron_mighty"
-          "veyron_minnie"
-          "veyron_speedy"
-        ];
-        example = "banjo";
-        description = ''
-          Which models to enable cmt for. Enter the Code Name for your Chromebook.
-          Code Name can be found at <https://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices>.
-        '';
-      };
-    }; # closes services
-  }; # closes options
-
-  config = mkIf cfg.enable {
-
-    services.xserver.modules = [ pkgs.xf86-input-cmt ];
-
-    environment.etc = {
-      "${etcPath}/40-touchpad-cmt.conf" = {
-        source = "${pkgs.chromium-xorg-conf}/40-touchpad-cmt.conf";
-      };
-      "${etcPath}/50-touchpad-cmt-${cfg.models}.conf" = {
-        source = "${pkgs.chromium-xorg-conf}/50-touchpad-cmt-${cfg.models}.conf";
-      };
-      "${etcPath}/60-touchpad-cmt-${cfg.models}.conf" = {
-        source = "${pkgs.chromium-xorg-conf}/60-touchpad-cmt-${cfg.models}.conf";
-      };
-    };
-
-    assertions = [
-      {
-        assertion = !config.services.libinput.enable;
-        message = ''
-          cmt and libinput are incompatible, meaning you cannot enable them both.
-          To use cmt you need to disable libinput with `services.libinput.enable = false`
-          If you haven't enabled it in configuration.nix, it's enabled by default on a
-          different xserver module.
-        '';
-      }
-    ];
-  };
-}