diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 9a164cacc6..7d22a83431 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -20,7 +20,6 @@ require 'fileutils'
 require 'shellwords'
 require 'optparse'
 require 'optparse/shellwords'
-require 'ostruct'
 require 'rubygems'
 begin
   require "zlib"