diff --git a/Gemfile b/Gemfile
index b6db702d..d65e2a66 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,3 @@
 source 'http://rubygems.org'
 
 gemspec
-
-gem 'ruby-debug', :platform => :ruby_18, :group => :development