diff --git a/Gemfile b/Gemfile
index a6d3d4d41..dd19b4435 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,8 +1,5 @@
 source 'https://rubygems.org'
 
-gem 'rubyzip'
-gem 'zip-zip'
-gem 'iconv'
 gem "rails", "3.2.13"
 gem "jquery-rails", "~> 2.0.2"
 gem "i18n", "~> 0.6.0"