diff --git a/library/stdarch/crates/core_arch/src/macros.rs b/library/stdarch/crates/core_arch/src/macros.rs
index bef232dff223..1e6a3f405d6b 100644
--- a/library/stdarch/crates/core_arch/src/macros.rs
+++ b/library/stdarch/crates/core_arch/src/macros.rs
@@ -141,7 +141,7 @@ macro_rules! simd_shuffle8 {
     }};
 }
 
-#[allow(unused_macros)]
+#[allow(unused)]
 macro_rules! simd_shuffle16 {
     ($x:expr, $y:expr, <$(const $imm:ident : $ty:ty),+ $(,)?> $idx:expr $(,)?) => {{
         struct ConstParam<$(const $imm: $ty),+>;