diff --git a/config/initializers/feature_decisions.rb b/config/initializers/feature_decisions.rb
index 36b159a2e930..c3457acaacb9 100644
--- a/config/initializers/feature_decisions.rb
+++ b/config/initializers/feature_decisions.rb
@@ -55,7 +55,3 @@
 OpenProject::FeatureDecisions.add :wiki_enhancements,
                                   description: "Enables Wiki enhancements, such as the Wikis tab and XWiki integration.",
                                   force_active: true
-
-OpenProject::FeatureDecisions.add :departments,
-                                  description: "Enables the management of departments within the organization."
-
diff --git a/config/initializers/menus.rb b/config/initializers/menus.rb
index 247f21c467ba..280d1cb244ee 100644
--- a/config/initializers/menus.rb
+++ b/config/initializers/menus.rb
@@ -361,7 +361,7 @@
 
   menu.push :departments,
             { controller: "/admin/departments" },
-            if: ->(_) { User.current.admin? && OpenProject::FeatureDecisions.departments_active? },
+            if: ->(_) { User.current.admin? },
             caption: :label_departments,
             parent: :users_and_permissions
 
diff --git a/config/routes.rb b/config/routes.rb
index f0ca5cf5243d..e1f69b32ed3c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -849,8 +849,7 @@
     end
 
     resources :departments,
-              only: %i[index show edit update destroy],
-              constraints: lambda { |_request| OpenProject::FeatureDecisions.departments_active? } do
+              only: %i[index show edit update destroy] do
       member do
         get :new_user
         post :add_user
diff --git a/spec/controllers/admin/departments_controller_spec.rb b/spec/controllers/admin/departments_controller_spec.rb
index dbe2154cfa4f..d18dbe90d554 100644
--- a/spec/controllers/admin/departments_controller_spec.rb
+++ b/spec/controllers/admin/departments_controller_spec.rb
@@ -30,7 +30,7 @@
 
 require "spec_helper"
 
-RSpec.describe Admin::DepartmentsController, with_flag: { departments: true } do
+RSpec.describe Admin::DepartmentsController do
   before do
     login_as current_user
   end
diff --git a/spec/features/admin/departments_spec.rb b/spec/features/admin/departments_spec.rb
index ed3794e38ef7..1c7f72d5f394 100644
--- a/spec/features/admin/departments_spec.rb
+++ b/spec/features/admin/departments_spec.rb
@@ -32,8 +32,7 @@
 require "support/pages/admin/departments"
 
 RSpec.describe "Departments admin",
-               :js,
-               with_flag: { departments: true } do
+               :js do
   shared_let(:admin) { create(:admin) }
 
   let(:departments_page) { Pages::Admin::Departments.new }