diff --git a/judge/scripts/grader_id b/judge/scripts/grader_id
deleted file mode 100755
--- a/judge/scripts/grader_id
+++ /dev/null
@@ -1,110 +0,0 @@
-#!/usr/bin/ruby
-
-def talk(str)
-  if TALKATIVE
-    puts str
-  end
-end
-
-def execute(command, error_message="")
-  if not system(command)
-    puts "ERROR: #{error_message}"
-    exit(127)
-  end
-end
-
-def save_source(submission,dir,fname)
-  f = File.open("#{dir}/#{fname}","w")
-  f.write(submission.source)
-  f.close
-end
-
-def call_judge(problem_home,language,problem_out_dir,fname)
-  ENV['PROBLEM_HOME'] = problem_home
-  Dir.chdir problem_out_dir
-  cmd = "#{problem_home}/script/judge #{language} #{fname}"
-#  puts "CMD: #{cmd}"
-  system(cmd)
-end
-
-def read_result(test_result_dir)
-  cmp_msg_fname = "#{test_result_dir}/compiler_message"
-  cmp_msg = File.open(cmp_msg_fname).read
-
-  result_fname = "#{test_result_dir}/result"
-  comment_fname = "#{test_result_dir}/comment"  
-  if FileTest.exist?(result_fname)
-    result = File.open(result_fname).readline.to_i
-    comment = File.open(comment_fname).readline.chomp
-    return {:points => result, 
-      :comment => comment, 
-      :cmp_msg => cmp_msg}
-  else
-    return {:points => 0,
-      :comment => 'compile error',
-      :cmp_msg => cmp_msg}
-  end
-end
-
-def save_result(submission,result)
-  submission.graded_at = Time.now
-  submission.points = result[:points]
-  submission.grader_comment = report_comment(result[:comment])
-  submission.compiler_message = result[:cmp_msg]
-  submission.save
-end
-
-def grade(submission_id)
-  sub = Submission.find(submission_id)
-  user = sub.user
-  problem = sub.problem
-
-  language = sub.language.name
-  lang_ext = sub.language.ext
-  # FIX THIS
-  talk 'some hack on language'
-  if language == 'cpp'
-    language = 'c++'
-  end
-
-  user_dir = "#{USER_RESULT_DIR}/#{user.login}"
-  Dir.mkdir(user_dir) if !FileTest.exist?(user_dir)
-  
-  problem_out_dir = "#{user_dir}/#{problem.name}"
-  Dir.mkdir(problem_out_dir) if !FileTest.exist?(problem_out_dir)
-
-  problem_home = "#{PROBLEMS_DIR}/#{problem.name}"
-  source_name = "#{problem.name}.#{lang_ext}"
-
-  save_source(sub,problem_out_dir,source_name)
-  call_judge(problem_home,language,problem_out_dir,source_name)
-  save_result(sub,read_result("#{problem_out_dir}/test-result"))
-end
-
-def stop_grader
-  File.open(File.dirname(__FILE__) + '/stop','w')
-end
-
-def check_stopfile
-  FileTest.exist?(File.dirname(__FILE__) + '/stop')
-end
-
-def clear_stopfile
-  system("rm " + File.dirname(__FILE__) + '/stop')
-end
-
-# reading environment and options
-GRADER_ENV = 'exam'
-puts "environment: #{GRADER_ENV}"
-require File.dirname(__FILE__) + "/environment.rb"
-
-#main program
-talk 'Reading rails environment'
-
-RAILS_ENV = 'development'
-require RAILS_APP_DIR + '/config/environment'
-
-current_dir = `pwd`
-grade(ARGV[0].to_i)
-
-