3 files changed, 2 insertions, 20 deletions
diff --git a/actionview/lib/action_view/helpers/tags/base.rb b/actionview/lib/action_view/helpers/tags/base.rb
index aa420c4b66..0895533a60 100644
--- a/actionview/lib/action_view/helpers/tags/base.rb
+++ b/actionview/lib/action_view/helpers/tags/base.rb
@@ -149,7 +149,7 @@ module ActionView
             end
 
             value = options.fetch(:selected) { value(object) }
-            select = content_tag("select", add_options(option_tags, options, value), html_options.except!("skip_default_ids", "allow_method_names_outside_object"))
+            select = content_tag("select", add_options(option_tags, options, value), html_options)
 
             if html_options["multiple"] && options.fetch(:include_hidden, true)
               tag("input", disabled: html_options["disabled"], name: html_options["name"], type: "hidden", value: "") + select
diff --git a/actionview/lib/action_view/helpers/tags/select.rb b/actionview/lib/action_view/helpers/tags/select.rb
index 9ff7e54e4f..380f7a8c4e 100644
--- a/actionview/lib/action_view/helpers/tags/select.rb
+++ b/actionview/lib/action_view/helpers/tags/select.rb
@@ -6,7 +6,7 @@ module ActionView
           @choices = block_given? ? template_object.capture { yield || "" } : choices
           @choices = @choices.to_a if @choices.is_a?(Range)
 
-          @html_options = html_options
+          @html_options = html_options.except(:skip_default_ids, :allow_method_names_outside_object)
 
           super(object_name, method_name, template_object, options)
         end
diff --git a/actionview/test/template/form_helper/form_with_test.rb b/actionview/test/template/form_helper/form_with_test.rb
index bff0643fb0..df580f0369 100644
--- a/actionview/test/template/form_helper/form_with_test.rb
+++ b/actionview/test/template/form_helper/form_with_test.rb
@@ -878,24 +878,6 @@ class FormWithActsLikeFormForTest < FormWithTest
     assert_dom_equal expected, output_buffer
   end
 
-  def test_form_with_with_namespace
-    skip "Do namespaces still make sense?"
-    form_for(@post, namespace: "namespace") do |f|
-      concat f.text_field(:title)
-      concat f.text_area(:body)
-      concat f.check_box(:secret)
-    end
-
-    expected = whole_form("/posts/123", "namespace_edit_post_123", "edit_post", method: "patch") do
-      "<input name='post[title]' type='text' value='Hello World' />" \
-      "<textarea name='post[body]'>\nBack to the hill and over it again!</textarea>" \
-      "<input name='post[secret]' type='hidden' value='0' />" \
-      "<input name='post[secret]' checked='checked' type='checkbox' value='1' />"
-    end
-
-    assert_dom_equal expected, output_buffer
-  end
-
   def test_submit_with_object_as_new_record_and_locale_strings
     with_locale :submit do
       @post.persisted = false