diff --git a/.gitignore b/.gitignore
index 18e7a4c..a7348b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,9 @@ capybara-*.html
 rerun.txt
 pickle-email-*.html
 
+# unnecessary db system
+/db
+
 # TODO Comment out these rules if you are OK with secrets being uploaded to the repo
 # config/initializers/secret_token.rb
 # config/secrets.yml
diff --git a/db/development.sqlite3 b/db/development.sqlite3
deleted file mode 100644
index e69de29..0000000