Do not use stored location for sign out.

app/controllers/devise/sessions_controller.rb

@@ -25,7 +25,7 @@ class Devise::SessionsController < ApplicationController
     Devise.sign_out_all_scopes ? sign_out : sign_out(resource_name)
     set_flash_message :notice, :signed_out if signed_in
 
-    # We actually need to hardcode this, as Rails default responder doesn't
+    # We actually need to hardcode this as Rails default responder doesn't
     # support returning empty response on GET request
     respond_to do |format|
       format.any(*navigational_formats) { redirect_to redirect_path }

lib/devise/controllers/helpers.rb

@@ -207,10 +207,9 @@ module Devise
       # scope. Notice that differently from +after_sign_in_path_for+ this method
       # receives a symbol with the scope, and not the resource.
       #
-      # By default, it first tries to find a valid resource_return_to key in the
-      # session, then it fallbacks to root_path.
+      # By default it is the root_path.
       def after_sign_out_path_for(resource_or_scope)
-        stored_location_for(resource_or_scope) || root_path
+        root_path
       end
 
       # Sign in a user and tries to redirect first to the stored location and

test/controllers/helpers_test.rb

@@ -248,16 +248,6 @@ class ControllerAuthenticatableTest < ActionController::TestCase
     end
   end
 
-  test 'sign out and redirect uses the stored location when signing out' do
-    swap Devise, :sign_out_all_scopes => true do
-      @mock_warden.expects(:user).times(Devise.mappings.size)
-      @mock_warden.expects(:logout).with().returns(true)
-      @controller.expects(:redirect_to).with("/foo.bar")
-      @controller.session[:"admin_return_to"] = "/foo.bar"
-      @controller.sign_out_and_redirect(:admin)
-    end
-  end
-
   test 'is not a devise controller' do
     assert_not @controller.devise_controller?
   end