diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index aac0eefc51964..265b68d3b0eb4 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -56,6 +56,7 @@
 //! [`Rc`]: rc
 //! [`RefCell`]: core::cell
 
+#![allow(incomplete_features)]
 #![allow(unused_attributes)]
 #![stable(feature = "alloc", since = "1.36.0")]
 #![doc(