diff --git a/ChangeLog b/ChangeLog
index a02c08245a..6cb565cf7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jul 11 17:15:08 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* lib/abbrev.rb: remove executable.
+
 Fri Jul 11 16:45:39 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* lib/fileutils.rb: handle ENOENT error with symlink targeted to
diff --git a/lib/abbrev.rb b/lib/abbrev.rb
old mode 100755
new mode 100644
index f8c518ca89..2c07fb5cf9
--- a/lib/abbrev.rb
+++ b/lib/abbrev.rb
@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 #--
 # Copyright (c) 2001,2003 Akinori MUSHA <knu@iDaemons.org>
 #
@@ -130,13 +129,3 @@ class Array
     Abbrev::abbrev(self, pattern)
   end
 end
-
-if $0 == __FILE__
-  while line = gets
-    hash = line.split.abbrev
-
-    hash.sort.each do |k, v|
-      puts "#{k} => #{v}"
-    end
-  end
-end