diff --git a/config/puma.rb b/config/puma.rb
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -1,13 +1,13 @@
 # Puma can serve each request in a thread from an internal thread pool.
-# The `threads` method setting takes two numbers a minimum and maximum.
+# The `threads` method setting takes two numbers: a minimum and maximum.
 # Any libraries that use thread pools should be configured to match
 # the maximum value specified for Puma. Default is set to 5 threads for minimum
-# and maximum, this matches the default thread size of Active Record.
+# and maximum; this matches the default thread size of Active Record.
 #
-threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }.to_i
+threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
 threads threads_count, threads_count
 
-# Specifies the `port` that Puma will listen on to receive requests, default is 3000.
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
 #
 port        ENV.fetch("PORT") { 3000 }
 
@@ -26,22 +26,9 @@
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write
-# process behavior so workers use less memory. If you use this option
-# you need to make sure to reconnect any threads in the `on_worker_boot`
-# block.
+# process behavior so workers use less memory.
 #
 # preload_app!
 
-# The code in the `on_worker_boot` will be called if you are using
-# clustered mode by specifying a number of `workers`. After each worker
-# process is booted this block will be run, if you are using `preload_app!`
-# option you will want to use this block to reconnect to any threads
-# or connections that may have been created at application boot, Ruby
-# cannot share connections between processes.
-#
-# on_worker_boot do
-#   ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
-# end
-
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart