diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
index 48639f1..07e16f1 100644
--- a/spec/dummy/config/application.rb
+++ b/spec/dummy/config/application.rb
@@ -12,7 +12,7 @@
 # require "action_text/engine"
 require "action_view/railtie"
 # require "action_cable/engine"
-require "sprockets/railtie"
+# require "sprockets/railtie"
 # require "rails/test_unit/railtie"
 
 # Require the gems listed in Gemfile, including any gems
@@ -22,7 +22,7 @@
 module Dummy
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
+    config.load_defaults 7.0
 
     # Configuration for the application, engines, and railties goes here.
     #
diff --git a/spec/dummy/config/environments/development.rb b/spec/dummy/config/environments/development.rb
index 4ee5678..4eb6e68 100644
--- a/spec/dummy/config/environments/development.rb
+++ b/spec/dummy/config/environments/development.rb
@@ -45,14 +45,6 @@
   # Highlight code that triggered database queries in logs.
   config.active_record.verbose_query_logs = true
 
-  # 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
-
-  # Suppress logger output for asset requests.
-  config.assets.quiet = true
-
   # Raises error for missing translations.
   # config.i18n.raise_on_missing_translations = true
 
diff --git a/spec/dummy/config/initializers/assets.rb b/spec/dummy/config/initializers/assets.rb
deleted file mode 100644
index 2eeef96..0000000
--- a/spec/dummy/config/initializers/assets.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = "1.0"
-
-# Add additional assets to the asset load path.
-# Rails.application.config.assets.paths << Emoji.images_path
-
-# Precompile additional assets.
-# application.js, application.css, and all non-JS/CSS in the app/assets
-# folder are already added.
-# Rails.application.config.assets.precompile += %w( admin.js admin.css )