diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md
index 38ac9e00318d..746259b19ea0 100644
--- a/nixos/doc/manual/release-notes/rl-2405.section.md
+++ b/nixos/doc/manual/release-notes/rl-2405.section.md
@@ -132,6 +132,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
 
 - The `services.vikunja` systemd service now uses `vikunja` as dynamic user instead of `vikunja-api`. Database users might need to be changed.
 
+- The `services.vikunja.setupNginx` setting has been removed. Users now need to setup the webserver configuration on their own with a proxy pass to the vikunja service.
+
 - The `woodpecker-*` packages have been updated to v2 which includes [breaking changes](https://woodpecker-ci.org/docs/next/migrations#200).
 
 - `services.nginx` will no longer advertise HTTP/3 availability automatically. This must now be manually added, preferably to each location block.
diff --git a/nixos/modules/services/web-apps/vikunja.nix b/nixos/modules/services/web-apps/vikunja.nix
index 1bba08421601..efa9c676d9a5 100644
--- a/nixos/modules/services/web-apps/vikunja.nix
+++ b/nixos/modules/services/web-apps/vikunja.nix
@@ -9,6 +9,10 @@ let
   useMysql = cfg.database.type == "mysql";
   usePostgresql = cfg.database.type == "postgres";
 in {
+  imports = [
+    (mkRemovedOptionModule [ "services" "vikunja" "setupNginx" ] "services.vikunja no longer supports the automatic set up of a nginx virtual host. Set up your own webserver config with a proxy pass to the vikunja service.")
+  ];
+
   options.services.vikunja = with lib; {
     enable = mkEnableOption (lib.mdDoc "vikunja service");
     package = mkPackageOption pkgs "vikunja" { };
@@ -20,25 +24,10 @@ in {
         For example passwords should be set in one of these files.
       '';
     };
-    setupNginx = mkOption {
-      type = types.bool;
-      default = config.services.nginx.enable;
-      defaultText = literalExpression "config.services.nginx.enable";
-      description = lib.mdDoc ''
-        Whether to setup NGINX.
-        Further nginx configuration can be done by changing
-        {option}`services.nginx.virtualHosts.<frontendHostname>`.
-        This does not enable TLS or ACME by default. To enable this, set the
-        {option}`services.nginx.virtualHosts.<frontendHostname>.enableACME` to
-        `true` and if appropriate do the same for
-        {option}`services.nginx.virtualHosts.<frontendHostname>.forceSSL`.
-      '';
-    };
     frontendScheme = mkOption {
       type = types.enum [ "http" "https" ];
       description = lib.mdDoc ''
         Whether the site is available via http or https.
-        This does not configure https or ACME in nginx!
       '';
     };
     frontendHostname = mkOption {
@@ -120,17 +109,6 @@ in {
       };
     };
 
-    services.nginx.virtualHosts."${cfg.frontendHostname}" = mkIf cfg.setupNginx {
-      locations = {
-        "/" = {
-          proxyPass = "http://localhost:${toString cfg.port}";
-          extraConfig = ''
-            client_max_body_size 20M;
-          '';
-        };
-      };
-    };
-
     environment.etc."vikunja/config.yaml".source = configFile;
 
     environment.systemPackages = [
diff --git a/nixos/tests/vikunja.nix b/nixos/tests/vikunja.nix
index 07d67f225a76..4e2bf166a7b6 100644
--- a/nixos/tests/vikunja.nix
+++ b/nixos/tests/vikunja.nix
@@ -13,7 +13,12 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
         frontendScheme = "http";
         frontendHostname = "localhost";
       };
-      services.nginx.enable = true;
+      services.nginx = {
+        enable = true;
+        virtualHosts."http://localhost" = {
+          locations."/".proxyPass = "http://localhost:3456";
+        };
+      };
     };
     vikunjaPostgresql = { pkgs, ... }: {
       services.vikunja = {
@@ -37,7 +42,12 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
           }
         ];
       };
-      services.nginx.enable = true;
+      services.nginx = {
+        enable = true;
+        virtualHosts."http://localhost" = {
+          locations."/".proxyPass = "http://localhost:9090";
+        };
+      };
     };
   };