diff --git a/nixos/doc/manual/release-notes/rl-2205.section.md b/nixos/doc/manual/release-notes/rl-2205.section.md
index 0cecbad5a4af..ad464dfa198d 100644
--- a/nixos/doc/manual/release-notes/rl-2205.section.md
+++ b/nixos/doc/manual/release-notes/rl-2205.section.md
@@ -81,7 +81,7 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [ergochat](https://ergo.chat), a modern IRC with IRCv3 features. Available as [services.ergochat](#opt-services.ergochat.enable).
 
-- [ethercalc](https://github.com/audreyt/ethercalc), an online collaborative spreadsheet. Available as [services.ethercalc](#opt-services.ethercalc.enable).
+- [ethercalc](https://github.com/audreyt/ethercalc), an online collaborative spreadsheet. Available as {option}`services.ethercalc`.
 
 - [filebeat](https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-overview.html), a lightweight shipper for forwarding and centralizing log data. Available as [services.filebeat](#opt-services.filebeat.enable).
 
diff --git a/nixos/doc/manual/release-notes/rl-2605.section.md b/nixos/doc/manual/release-notes/rl-2605.section.md
index 47a2563d6fa7..5ef93e7e8fce 100644
--- a/nixos/doc/manual/release-notes/rl-2605.section.md
+++ b/nixos/doc/manual/release-notes/rl-2605.section.md
@@ -35,6 +35,8 @@ of pulling the upstream container image from Docker Hub. If you want the old beh
 }
 ```
 
+- Ethercalc and its associated module have been removed, as the package is unmaintained and cannot be installed from source with npm now.
+
 ## Other Notable Changes {#sec-release-26.05-notable-changes}
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index d10f2a026d5b..ad90be849271 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1602,7 +1602,6 @@
   ./services/web-apps/eintopf.nix
   ./services/web-apps/engelsystem.nix
   ./services/web-apps/ente.nix
-  ./services/web-apps/ethercalc.nix
   ./services/web-apps/fediwall.nix
   ./services/web-apps/fider.nix
   ./services/web-apps/filebrowser.nix
diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 8b9a1c998520..d42c7fbf1d52 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -168,6 +168,9 @@ in
 
       To wrap a resolver with DNSCrypt you can instead use dnsdist. See options `services.dnsdist.dnscrypt.*`
     '')
+    (mkRemovedOptionModule [ "services" "ethercalc" ] ''
+      The ethercalc module has been removed from nixpkgs as the project was old, unmaintained, and could not be packaged well in nixpkgs.
+    '')
     (mkRemovedOptionModule [
       "services"
       "exhibitor"
diff --git a/nixos/modules/services/web-apps/ethercalc.nix b/nixos/modules/services/web-apps/ethercalc.nix
deleted file mode 100644
index e9bd924041a5..000000000000
--- a/nixos/modules/services/web-apps/ethercalc.nix
+++ /dev/null
@@ -1,63 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
-with lib;
-
-let
-  cfg = config.services.ethercalc;
-in
-{
-  options = {
-    services.ethercalc = {
-      enable = mkOption {
-        default = false;
-        type = types.bool;
-        description = ''
-          ethercalc, an online collaborative spreadsheet server.
-
-          Persistent state will be maintained under
-          {file}`/var/lib/ethercalc`. Upstream supports using a
-          redis server for storage and recommends the redis backend for
-          intensive use; however, the Nix module doesn't currently support
-          redis.
-
-          Note that while ethercalc is a good and robust project with an active
-          issue tracker, there haven't been new commits since the end of 2020.
-        '';
-      };
-
-      package = mkPackageOption pkgs "ethercalc" { };
-
-      host = mkOption {
-        type = types.str;
-        default = "0.0.0.0";
-        description = "Address to listen on (use 0.0.0.0 to allow access from any address).";
-      };
-
-      port = mkOption {
-        type = types.port;
-        default = 8000;
-        description = "Port to bind to.";
-      };
-    };
-  };
-
-  config = mkIf cfg.enable {
-    systemd.services.ethercalc = {
-      description = "Ethercalc service";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" ];
-      serviceConfig = {
-        DynamicUser = true;
-        ExecStart = "${cfg.package}/bin/ethercalc --host ${cfg.host} --port ${toString cfg.port}";
-        Restart = "always";
-        StateDirectory = "ethercalc";
-        WorkingDirectory = "/var/lib/ethercalc";
-      };
-    };
-  };
-}