diff --git a/rust/alloc/lib.rs b/rust/alloc/lib.rs
index f109e7902b2016..6d805348055c21 100644
--- a/rust/alloc/lib.rs
+++ b/rust/alloc/lib.rs
@@ -111,7 +111,6 @@
 #![feature(iter_zip)]
 #![feature(lang_items)]
 #![feature(layout_for_ptr)]
-#![feature(maybe_uninit_ref)]
 #![feature(negative_impls)]
 #![feature(never_type)]
 #![feature(nll)]