diff --git a/Gemfile b/Gemfile
index 4ffb5774ac..2c557d4cb9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,5 @@ group :development, :test do
   gem 'jekyll', '~> 3.1.2'
   gem 'jekyll-redirect-from', '~> 0.9.1'
   gem 'jekyll-sitemap', '~> 0.10.0'
-  gem 'sass', '~> 3.4.21'
   gem 'scss_lint', '~> 0.47.1'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 5c3a2aa0ae..91502c0229 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,6 @@ DEPENDENCIES
   jekyll (~> 3.1.2)
   jekyll-redirect-from (~> 0.9.1)
   jekyll-sitemap (~> 0.10.0)
-  sass (~> 3.4.21)
   scss_lint (~> 0.47.1)
 
 BUNDLED WITH