diff --git a/Gemfile b/Gemfile
index 12b826e3c..ebd6a3911 100644
--- a/Gemfile
+++ b/Gemfile
@@ -80,7 +80,6 @@ end
 
 group :development, :test do
   gem 'pry', '0.10.1'
-  gem 'railroady',     '1.3.0'  # to generate database diagrams
   gem 'autodoc'
   gem 'puma'
   gem 'sdoc', '~> 1.1'