diff --git a/Gemfile b/Gemfile
index 3e912e67c..80d4d9951 100644
--- a/Gemfile
+++ b/Gemfile
@@ -120,7 +120,6 @@ group :development, :test do
   gem 'capybara'
   gem 'rspec-rails', '~> 3.6'
   gem 'fabrication',        '2.13.2' # Replacement for fixtures
-  gem 'phantomjs-binaries'
   gem 'poltergeist'
   gem 'launchy',            '2.4.3' # for opening browser automatically
 
diff --git a/Gemfile.lock b/Gemfile.lock
index fd854f9b6..022ee8539 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -188,7 +188,6 @@ GEM
     factory_girl_rails (4.8.0)
       factory_girl (~> 4.8.0)
       railties (>= 3.0.0)
-    ffi (1.9.18)
     figaro (1.1.1)
       thor (~> 0.14)
     globalid (0.3.7)
@@ -292,8 +291,6 @@ GEM
       ast (~> 2.2)
     pdfkit (0.6.2)
     pg (0.19.0)
-    phantomjs-binaries (2.1.1.1)
-      sys-uname (= 0.9.0)
     poltergeist (1.14.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
@@ -443,8 +440,6 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sys-uname (0.9.0)
-      ffi (>= 1.0.0)
     thor (0.19.4)
     thread_safe (0.3.6)
     tilt (1.4.1)
@@ -533,7 +528,6 @@ DEPENDENCIES
   paper_trail!
   pdfkit (= 0.6.2)
   pg (= 0.19.0)
-  phantomjs-binaries
   poltergeist
   pry (= 0.10.1)
   puma