diff --git a/source/guides/installfest/getting_started.md b/source/guides/installfest/getting_started.md
index 5c3897ff..a97f1da0 100644
--- a/source/guides/installfest/getting_started.md
+++ b/source/guides/installfest/getting_started.md
@@ -468,8 +468,6 @@ group :development do
   gem 'spring-watcher-listen', '~> 2.0.0'
 end
 
-gem 'rails_12factor', group: :production
-
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 ```