diff --git a/lib/rdoc/ri/driver.rb b/lib/rdoc/ri/driver.rb
index 2681a98cd8..8e68f72d53 100644
--- a/lib/rdoc/ri/driver.rb
+++ b/lib/rdoc/ri/driver.rb
@@ -80,7 +80,6 @@ def self.default_options
     options[:interactive] = false
     options[:profile]     = false
     options[:show_all]    = false
-    options[:use_cache]   = true
     options[:use_stdout]  = !$stdout.tty?
     options[:width]       = 72