diff --git a/polyval/Cargo.toml b/polyval/Cargo.toml
index 2b4faec..3f3824c 100644
--- a/polyval/Cargo.toml
+++ b/polyval/Cargo.toml
@@ -32,4 +32,3 @@ check-cfg = ["cfg(polyval_force_soft)"]
 
 [package.metadata.docs.rs]
 all-features = true
-rustdoc-args = ["--cfg", "docsrs"]
diff --git a/polyval/src/lib.rs b/polyval/src/lib.rs
index 909b385..41011bb 100644
--- a/polyval/src/lib.rs
+++ b/polyval/src/lib.rs
@@ -1,5 +1,5 @@
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc = include_str!("../README.md")]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",