diff --git a/actionpack/lib/action_dispatch.rb b/actionpack/lib/action_dispatch.rb
index 3dd2e2a45cc61..11b5e6be33eed 100644
--- a/actionpack/lib/action_dispatch.rb
+++ b/actionpack/lib/action_dispatch.rb
@@ -52,7 +52,6 @@ class IllegalStateError < StandardError
     autoload :DebugExceptions
     autoload :ExceptionWrapper
     autoload :Flash
-    autoload :Head
     autoload :ParamsParser
     autoload :PublicExceptions
     autoload :Reloader