diff --git a/actix-http/CHANGES.md b/actix-http/CHANGES.md
index 3beb84e23..c28013853 100644
--- a/actix-http/CHANGES.md
+++ b/actix-http/CHANGES.md
@@ -3,7 +3,6 @@
 ## Unreleased - 2021-xx-xx
 ### Added
 - Implement `From<Vec<u8>>` for `Response<Vec<u8>>`. [#2625]
-- Expose `ServiceConfig::write_date_header`. [#2625]
 
 ### Changed
 - `error::DispatcherError` enum is now marked `#[non_exhaustive]`. [#2624]
diff --git a/actix-http/src/config.rs b/actix-http/src/config.rs
index 522c5a023..ac95a2802 100644
--- a/actix-http/src/config.rs
+++ b/actix-http/src/config.rs
@@ -108,6 +108,7 @@ impl ServiceConfig {
     ///
     /// Low-level method that utilizes the built-in efficient date service, requiring fewer syscalls
     /// than normal. Note that a CRLF (`\r\n`) is included in what is written.
+    #[doc(hidden)]
     pub fn write_date_header(&self, dst: &mut BytesMut, camel_case: bool) {
         let mut buf: [u8; 37] = [0; 37];