diff --git a/.gitignore b/.gitignore
index a1f9f1e49..60f308fb5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,5 +9,4 @@
 /tmp/
 /vendor/
 *.log
-test/dummy/storage/
 test/dummy/tmp/
diff --git a/test/dummy/config/application.rb b/test/dummy/config/application.rb
index 984ad13ef..80235bcc6 100644
--- a/test/dummy/config/application.rb
+++ b/test/dummy/config/application.rb
@@ -5,7 +5,7 @@
 require "bundler/setup" if File.exist?(ENV["BUNDLE_GEMFILE"])
 $LOAD_PATH.unshift(File.expand_path("../../../lib", __dir__))
 
-require "rails/all"
+require "rails" # minimal, instead of "rails/all"
 
 Bundler.require(*Rails.groups)
 
diff --git a/test/dummy/config/database.yml b/test/dummy/config/database.yml
deleted file mode 100644
index e2abd313a..000000000
--- a/test/dummy/config/database.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-default: &default
-  adapter: sqlite3
-  database: ":memory:"
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  timeout: 5000
-
-development:
-  <<: *default
-
-test:
-  <<: *default
-  database: ":memory:"