diff --git a/Gemfile b/Gemfile
index 0a074d9f9..51f706288 100644
--- a/Gemfile
+++ b/Gemfile
@@ -85,7 +85,6 @@ end
 group :production do
   gem 'puma'
   gem 'rails_12factor'
-  gem 'skylight'
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index aeeb3b107..243390fe6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -294,8 +294,6 @@ GEM
       actionmailer (>= 3.2.6, < 6)
       actionpack (>= 3.2.6, < 6)
       devise (>= 3.2, < 6)
-    skylight (0.10.0)
-      activesupport (>= 3.0.0)
     sourcemap (0.1.1)
     spinjs-rails (1.4)
       rails (>= 3.1)
@@ -403,7 +401,6 @@ DEPENDENCIES
   shoulda-matchers (>= 3.0.1)
   silencer
   simple_token_authentication (~> 1.0)
-  skylight
   sneaky-save!
   spinjs-rails
   starscope
diff --git a/Makefile b/Makefile
index bc41aaeee..0108c54f8 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ all: docker database
 heroku:
 	@heroku buildpacks:remove https://github.com/ddollar/heroku-buildpack-multi.git
 	@heroku buildpacks:set https://github.com/ddollar/heroku-buildpack-multi.git
-	@echo "Set environment variables, DATABASE_URL, RAILS_SERVE_STATIC_FILES, RAKE_ENV, RAILS_ENV, SECRET_KEY_BASE, SKYLIGHT_AUTHENTICATION"
+	@echo "Set environment variables, DATABASE_URL, RAILS_SERVE_STATIC_FILES, RAKE_ENV, RAILS_ENV, SECRET_KEY_BASE"
 
 docker:
 	@docker-compose build
diff --git a/config/skylight.yml b/config/skylight.yml
deleted file mode 100644
index 0bf0b90e6..000000000
--- a/config/skylight.yml
+++ /dev/null
@@ -1,3 +0,0 @@
----
-# The authentication token for the application.
-authentication: <%= ENV["SKYLIGHT_AUTHENTICATION"] ?>