diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs
index 162b4fdcc8ae..613abd7024e3 100644
--- a/library/proc_macro/src/lib.rs
+++ b/library/proc_macro/src/lib.rs
@@ -27,7 +27,6 @@
 #![feature(panic_can_unwind)]
 #![feature(restricted_std)]
 #![feature(rustc_attrs)]
-#![feature(stmt_expr_attributes)]
 #![feature(extend_one)]
 #![recursion_limit = "256"]
 #![allow(internal_features)]