diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 9b18e43516..21c6eb8c87 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,20 +1,10 @@
 *Rails 3.0.0 [beta 3] (pending)*
 
-* Routes can be selectively namespaced by path or controller module. [Jeremy Kemper]
+* Routes can be scoped by controller module. [Jeremy Kemper]
 
-    # /users => Admin::UsersController
-    namespace :controller => 'admin' do
-      resources :users
-    end
-
-    # /admin/users => UsersController
-    namespace :path => 'admin' do
-      resources :users
-    end
-
-    # /admin/users => Admin::UsersController
-    namespace :admin do
-      resources :users
+    # /session => Auth::SessionsController
+    scope :module => 'auth' do
+      resource :session
     end
 
 * Added #favicon_link_tag, it uses #image_path so in particular the favicon gets an asset ID [fxn]
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index bf707f354a..61256e8df1 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -323,21 +323,9 @@ module ActionDispatch
           scope(controller.to_sym) { yield }
         end
 
-        def namespace(path_or_options)
-          options =
-            case path_or_options
-            when String, Symbol
-              path = path_or_options.to_s
-              { :path => path,
-                :name_prefix => path,
-                :controller_namespace => path }
-            when Hash
-              { :path => path_or_options[:path],
-                :controller_namespace => path_or_options[:controller] }
-            else
-              raise ArgumentError, "Unknown namespace: #{path_or_options.inspect}"
-            end
-          scope(options) { yield }
+        def namespace(path)
+          path = path.to_s
+          scope(:path => path, :name_prefix => path, :module => path) { yield }
         end
 
         def constraints(constraints = {})
@@ -376,12 +364,12 @@ module ActionDispatch
             parent ? "#{parent}_#{child}" : child
           end
 
-          def merge_controller_namespace_scope(parent, child)
+          def merge_module_scope(parent, child)
             parent ? "#{parent}/#{child}" : child
           end
 
           def merge_controller_scope(parent, child)
-            @scope[:controller_namespace] ? "#{@scope[:controller_namespace]}/#{child}" : child
+            @scope[:module] ? "#{@scope[:module]}/#{child}" : child
           end
 
           def merge_resources_path_names_scope(parent, child)
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index 38341b5d8c..d38c48bfd4 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -187,11 +187,11 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
 
       resource :dashboard, :constraints => { :ip => /192\.168\.1\.\d{1,3}/ }
 
-      namespace :controller => :api do
+      scope :module => 'api' do
         resource :token
       end
 
-      namespace :path => :api do
+      scope :path => 'api' do
         resource :me
         match '/' => 'mes#index'
       end
@@ -951,7 +951,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
-  def test_controller_namespace
+  def test_module_scope
     with_test_routes do
       get '/token'
       assert_equal 'api/tokens#show', @response.body
@@ -959,7 +959,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
-  def test_path_namespace
+  def test_path_scope
     with_test_routes do
       get '/api/me'
       assert_equal 'mes#show', @response.body