--- a/Gemfile
+++ b/Gemfile
@@ -146,11 +146,6 @@
   gem 'unicorn-worker-killer', '~> 0.4.4'
 end
 
-group :puma do
-  gem 'puma', '~> 3.12', require: false
-  gem 'puma_worker_killer', require: false
-end
-
 # State machine
 gem 'state_machines-activerecord', '~> 0.5.1'