diff --git a/railties/lib/rails/cli.rb b/railties/lib/rails/cli.rb
index 20313a2608f1d..dd70c272c6c5b 100644
--- a/railties/lib/rails/cli.rb
+++ b/railties/lib/rails/cli.rb
@@ -1,4 +1,3 @@
-require 'rbconfig'
 require 'rails/app_rails_loader'
 
 # If we are inside a Rails application this method performs an exec and thus