--- a/hiki/docdiff/charstring.rb
+++ b/hiki/docdiff/charstring.rb
@@ -1,4 +1,3 @@
-#!/usr/bin/ruby
 # Character String module.
 # To use, include to String, or extend String.
 # 2003- Hisashi MORITA
--- a/hiki/docdiff/view.rb
+++ b/hiki/docdiff/view.rb
@@ -1,4 +1,3 @@
-#!/usr/bin/ruby
 
 class String
   def scan_lines(eol)
