diff --git a/config/subsystems.yml b/config/subsystems.yml
deleted file mode 100644
index 5b1edf35a9d..00000000000
--- a/config/subsystems.yml
+++ /dev/null
@@ -1 +0,0 @@
-candlepin: 0.5.10-1
diff --git a/script/thin b/script/thin
index dc889690d98..c3cb5951f47 100755
--- a/script/thin
+++ b/script/thin
@@ -20,40 +20,5 @@ if ARGV.first =~ /^_(.*)_$/ and Gem::Version.correct? $1 then
   ARGV.shift
 end
 
-# Subsystem check
-# We add the check after initialization, because Rspec runs its initail rails init in development mode
-# but this file is not run as part of rspec
-module Src
-  class Application < Rails::Application
-    config.after_initialize do
-
-      require 'resources/candlepin'
-      subsystems_file = "#{Rails.root}/config/subsystems.yml"
-      raise _("Unable to find config/subsystems.yml") unless File.exists? subsystems_file
-      subsystems = YAML::load_file(subsystems_file) || {}
-
-      begin
-        required_version =  subsystems["candlepin"]
-        raise _("No version of candlepin specified") if required_version.nil?
-        cp_ping = Candlepin::CandlepinPing.ping
-        actual_version = "#{cp_ping[:version]}-#{cp_ping[:release]}"
-        actual_version.gsub!('%{?dist}','') #remove %{?dist}
-        raise _("Incorrect version , Expected #{required_version}, got #{actual_version}") if  actual_version != required_version
-      rescue Exception => e
-        #print to console and the logs, extra newlines make it stand out
-        2.times do
-          78.times { print '*' }; puts '*'
-        end
-        puts Rails.logger.error _("\nWarning: #{e.message}\n\n")
-        puts "To suppress this message, edit subsystems.yml config file."
-        2.times do
-          78.times { print '*' }; puts '*'
-        end
-      end
-    end
-  end
-end
-
-
 gem 'thin', version
 load Gem.bin_path('thin', 'thin', version)