diff --git a/config/puma.rb b/config/puma.rb
index 191f00ccaa..7586536f44 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -8,10 +8,6 @@ workers     ENV.fetch('WEB_CONCURRENCY') { 2 }
 preload_app!
 
 on_worker_boot do
-  if ENV['HEROKU'] # Spawn the workers from Puma, to only use one dyno
-    @sidekiq_pid ||= spawn('bundle exec sidekiq -q default -q push -q pull -q mailers ')
-  end
-
   ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
 end