diff --git a/Gemfile b/Gemfile
index 323309b9..c80ae4e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,10 +38,6 @@ gem 'sinatra', require: false
 # See https://stackoverflow.com/a/60491254/75715
 gem 'bigdecimal', '1.3.5'
 
-group :production do
-  gem 'exception_notification'
-end
-
 group :assets do
   gem 'sass-rails', '~> 4.0'
   gem 'sass', '~> 3.2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9ffac4b1..61618e31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,9 +115,6 @@ GEM
       mail (~> 2.2)
     erubis (2.7.0)
     eventmachine (1.0.8)
-    exception_notification (4.1.1)
-      actionmailer (>= 3.0.4)
-      activesupport (>= 3.0.4)
     execjs (2.7.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
@@ -211,7 +208,7 @@ GEM
       slop (~> 3.4)
     racc (1.5.2)
     rack (1.6.13)
-    rack-protection (1.5.3)
+    rack-protection (1.5.5)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -389,7 +386,6 @@ DEPENDENCIES
   diff-lcs
   draper
   email_spec
-  exception_notification
   factory_girl_rails
   faker
   guard
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 32400fdf..ab09d27d 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -72,12 +72,6 @@
   config.action_mailer.smtp_settings       = config.smtp_settings.symbolize_keys
   config.action_mailer.default_url_options = {host: config.course_domain}
 
-  config.middleware.use ExceptionNotification::Rack, email: {
-    email_prefix: '[ERROR] ',
-    sender_address: "Exception Notifier <#{config.course_email}>",
-    exception_recipients: [config.course_email]
-  }
-
   # Eager load
   config.eager_load = true
 end