diff --git a/ChangeLog b/ChangeLog
index d89a082cfa..dfee893aa4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jan 19 22:19:18 2006  Minero Aoki  <aamine@loveruby.net>
+
+	* lib/fileutils.rb (mv): should remove file after copying.
+	  [ruby-dev:28223]
+
 Wed Jan 18 23:37:06 2006  Tanaka Akira  <akr@m17n.org>
 
 	* eval.c (FUNCTION_CALL_MAY_RETURN_TWICE): don't clobber %l7 of SPARC 
diff --git a/lib/fileutils.rb b/lib/fileutils.rb
index 646cfe07d3..3e7989a287 100644
--- a/lib/fileutils.rb
+++ b/lib/fileutils.rb
@@ -500,6 +500,7 @@ module FileUtils
           File.rename s, d
         rescue Errno::EXDEV
           copy_entry s, d, true
+          File.unlink s
         end
       rescue SystemCallError
         raise unless options[:force]