diff --git a/actix-http/src/error.rs b/actix-http/src/error.rs
index 8a1c1b5dc..4b8f13cf0 100644
--- a/actix-http/src/error.rs
+++ b/actix-http/src/error.rs
@@ -59,12 +59,6 @@ impl Error {
     }
 }
 
-/// A struct with a private constructor, for use with
-/// `__private_get_type_id__`. Its single field is private,
-/// ensuring that it can only be constructed from this module
-#[doc(hidden)]
-pub struct PrivateHelper(());
-
 /// Error that can be converted to `Response`
 pub trait ResponseError: fmt::Debug + fmt::Display {
     /// Response's status code