diff --git a/bindings/ruby/extconf.rb b/bindings/ruby/extconf.rb
index 380ad998..b154ea41 100644
--- a/bindings/ruby/extconf.rb
+++ b/bindings/ruby/extconf.rb
@@ -1,5 +1,4 @@
 require 'mkmf'
-require 'ftools'
 
 extension_name = 'rbsigar'