diff --git a/Gemfile b/Gemfile
index f5dbcdaa..577d1b91 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,19 +4,12 @@ gemspec
 
 gem 'rails', github: 'rails/rails'
 gem 'arel', github: 'rails/arel'
-gem 'sprockets', github: 'rails/sprockets'
-gem 'sprockets-rails', github: 'rails/sprockets-rails'
 gem 'rack', github: 'rack/rack'
 
 platforms :jruby do
-  gem 'activerecord-jdbcsqlite3-adapter'
   gem 'binding_of_caller', '0.7.3.pre1'
 end
 
-platforms :ruby do
-  gem 'sqlite3'
-end
-
 group :test do
   gem 'rake'
   gem 'mocha', require: false
diff --git a/test/dummy/config/application.rb b/test/dummy/config/application.rb
index 081fd93b..83eab38e 100644
--- a/test/dummy/config/application.rb
+++ b/test/dummy/config/application.rb
@@ -1,6 +1,8 @@
 require File.expand_path('../boot', __FILE__)
 
-require 'rails/all'
+require "active_model/railtie"
+require "action_controller/railtie"
+require "action_view/railtie"
 
 Bundler.require(*Rails.groups)
 require 'web_console'
diff --git a/test/dummy/config/environments/development.rb b/test/dummy/config/environments/development.rb
index 9d26e125..b16dd2fb 100644
--- a/test/dummy/config/environments/development.rb
+++ b/test/dummy/config/environments/development.rb
@@ -13,17 +13,6 @@
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
 
-  # Don't care if the mailer can't send.
-  config.action_mailer.raise_delivery_errors = false
-
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
-
-  # Raise an error on page load if there are pending migrations
-  config.active_record.migration_error = :page_load
-
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
 end
diff --git a/test/dummy/config/environments/production.rb b/test/dummy/config/environments/production.rb
index b690b1cf..dc33932f 100644
--- a/test/dummy/config/environments/production.rb
+++ b/test/dummy/config/environments/production.rb
@@ -22,19 +22,6 @@
   # Disable Rails's static asset server (Apache or nginx will already do this).
   config.serve_static_assets = false
 
-  # Compress JavaScripts and CSS.
-  config.assets.js_compressor = :uglifier
-  # config.assets.css_compressor = :sass
-
-  # Do not fallback to assets pipeline if a precompiled asset is missed.
-  config.assets.compile = false
-
-  # Generate digests for assets URLs.
-  config.assets.digest = true
-
-  # Version of your assets, change this if you want to expire all your assets.
-  config.assets.version = '1.0'
-
   # Specifies the header that your server uses for sending files.
   # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
diff --git a/test/dummy/config/environments/test.rb b/test/dummy/config/environments/test.rb
index 3f17a67a..897205ee 100644
--- a/test/dummy/config/environments/test.rb
+++ b/test/dummy/config/environments/test.rb
@@ -22,11 +22,6 @@
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
 
-  # Tell Action Mailer not to deliver emails to the real world.
-  # The :test delivery method accumulates sent emails in the
-  # ActionMailer::Base.deliveries array.
-  config.action_mailer.delivery_method = :test
-
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
diff --git a/test/dummy/db/schema.rb b/test/dummy/db/schema.rb
deleted file mode 100644
index 4dfbb168..00000000
--- a/test/dummy/db/schema.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# encoding: UTF-8
-# This file is auto-generated from the current state of the database. Instead
-# of editing this file, please use the migrations feature of Active Record to
-# incrementally modify your database, and then regenerate this schema definition.
-#
-# Note that this schema.rb definition is the authoritative source for your
-# database schema. If you need to create the application database on another
-# system, you should be using db:schema:load, not running all the migrations
-# from scratch. The latter is a flawed and unsustainable approach (the more migrations
-# you'll amass, the slower it'll run and the greater likelihood for issues).
-#
-# It's strongly recommended that you check this file into your version control system.
-
-ActiveRecord::Schema.define(version: 0) do
-
-end
diff --git a/web-console.gemspec b/web-console.gemspec
index c579da01..b85a8c5a 100644
--- a/web-console.gemspec
+++ b/web-console.gemspec
@@ -20,8 +20,4 @@ Gem::Specification.new do |s|
   s.add_dependency "railties",    rails_version
   s.add_dependency "activemodel", rails_version
   s.add_dependency "debug_inspector"
-
-  # We need those for the testing application to run.
-  s.add_development_dependency "actionmailer", rails_version
-  s.add_development_dependency "activerecord", rails_version
 end