diff --git a/Gemfile b/Gemfile
index 33c0b1ef8..3021cab32 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,7 +41,6 @@ gem 'sass-rails',     '5.0.6'   # sass style
 # js
 
 gem 'coffee-rails',    '4.1.0'  # coffeescript support
-gem 'uglifier',        '2.7.2'  # minifies js
 gem 'jquery-rails',    '4.0.4'  # jquery
 gem 'turbolinks',      '2.5.3'  # faster page load
 gem 'selectize-rails', '0.12.1' # include selectize.js for select
diff --git a/Gemfile.lock b/Gemfile.lock
index ce852595b..06741ac86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -458,9 +458,6 @@ GEM
       coffee-rails
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
-    uglifier (2.7.2)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.2)
@@ -567,7 +564,6 @@ DEPENDENCIES
   spring-commands-rspec
   therubyracer (= 0.12.2)
   turbolinks (= 2.5.3)
-  uglifier (= 2.7.2)
   uuidtools (= 2.1.5)
   validates_email_format_of (= 1.6.3)
   webmock
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 0c8989a3b..7d77b7220 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -23,7 +23,7 @@ Rails.application.configure do
   config.serve_static_files = false
 
   # Compress JavaScripts and CSS.
-  config.assets.js_compressor = :uglifier
+  # config.assets.js_compressor = :uglifier
   # config.assets.css_compressor = :sass
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.