diff --git a/alloc/src/lib.rs b/alloc/src/lib.rs
index a67ea75825de3..f98c0cca1db47 100644
--- a/alloc/src/lib.rs
+++ b/alloc/src/lib.rs
@@ -114,7 +114,6 @@
 #![feature(const_maybe_uninit_write)]
 #![feature(const_option)]
 #![feature(const_pin)]
-#![feature(const_refs_to_cell)]
 #![feature(const_size_of_val)]
 #![feature(core_intrinsics)]
 #![feature(deprecated_suggestion)]
@@ -165,6 +164,7 @@
 // Language features:
 // tidy-alphabetical-start
 #![cfg_attr(bootstrap, feature(const_mut_refs))]
+#![cfg_attr(bootstrap, feature(const_refs_to_cell))]
 #![cfg_attr(not(test), feature(coroutine_trait))]
 #![cfg_attr(test, feature(panic_update_hook))]
 #![cfg_attr(test, feature(test))]
diff --git a/core/src/lib.rs b/core/src/lib.rs
index d503e58423f85..058dcf3453279 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -192,6 +192,7 @@
 // Language features:
 // tidy-alphabetical-start
 #![cfg_attr(bootstrap, feature(const_mut_refs))]
+#![cfg_attr(bootstrap, feature(const_refs_to_cell))]
 #![feature(abi_unadjusted)]
 #![feature(adt_const_params)]
 #![feature(allow_internal_unsafe)]
@@ -203,7 +204,6 @@
 #![feature(cfg_ub_checks)]
 #![feature(const_for)]
 #![feature(const_precise_live_drops)]
-#![feature(const_refs_to_cell)]
 #![feature(decl_macro)]
 #![feature(deprecated_suggestion)]
 #![feature(doc_cfg)]
diff --git a/core/src/slice/mod.rs b/core/src/slice/mod.rs
index c74a7666919b2..b1948ce69c77d 100644
--- a/core/src/slice/mod.rs
+++ b/core/src/slice/mod.rs
@@ -846,7 +846,7 @@ impl<T> [T] {
     /// [`as_mut_ptr`]: slice::as_mut_ptr
     #[stable(feature = "slice_ptr_range", since = "1.48.0")]
     #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")]
-    #[rustc_allow_const_fn_unstable(const_mut_refs, const_refs_to_cell)]
+    #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs, const_refs_to_cell))]
     #[inline]
     #[must_use]
     pub const fn as_mut_ptr_range(&mut self) -> Range<*mut T> {