diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index 4c76662ac0975..9cbfb65305183 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -1072,7 +1072,7 @@ extern "rust-intrinsic" {
     /// zero-initialization: This will statically either panic, or do nothing.
     ///
     /// This intrinsic does not have a stable counterpart.
-    #[rustc_const_unstable(feature = "const_assert_type2", issue = "none")]
+    #[rustc_const_stable(feature = "const_assert_zero_valid", since = "CURRENT_RUSTC_VERSION")]
     #[rustc_safe_intrinsic]
     #[rustc_nounwind]
     pub fn assert_zero_valid<T>();
diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs
index d7abc9a0e23aa..82ce901140ada 100644
--- a/library/core/src/mem/mod.rs
+++ b/library/core/src/mem/mod.rs
@@ -647,7 +647,8 @@ pub const fn needs_drop<T: ?Sized>() -> bool {
 #[allow(deprecated)]
 #[rustc_diagnostic_item = "mem_zeroed"]
 #[track_caller]
-pub unsafe fn zeroed<T>() -> T {
+#[rustc_const_stable(feature = "const_mem_zeroed", since = "CURRENT_RUSTC_VERSION")]
+pub const unsafe fn zeroed<T>() -> T {
     // SAFETY: the caller must guarantee that an all-zero value is valid for `T`.
     unsafe {
         intrinsics::assert_zero_valid::<T>();