diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
index d753b2a02f7a2..d4096d60ca07a 100644
--- a/library/core/src/cell.rs
+++ b/library/core/src/cell.rs
@@ -406,7 +406,7 @@ impl<T> Cell<T> {
     /// assert_eq!(five, 5);
     /// ```
     #[stable(feature = "move_cell", since = "1.17.0")]
-    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
     pub const fn into_inner(self) -> T {
         self.value.into_inner()
     }
@@ -669,7 +669,7 @@ impl<T> RefCell<T> {
     /// let five = c.into_inner();
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
     #[inline]
     pub const fn into_inner(self) -> T {
         // Since this function takes `self` (the `RefCell`) by value, the
@@ -1682,7 +1682,7 @@ impl<T> UnsafeCell<T> {
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
     pub const fn into_inner(self) -> T {
         self.value
     }
diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index 3283736c4feda..dd6dfcfa7f6a9 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -365,7 +365,7 @@ impl AtomicBool {
     /// ```
     #[inline]
     #[stable(feature = "atomic_access", since = "1.15.0")]
-    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
     pub const fn into_inner(self) -> bool {
         self.v.into_inner() != 0
     }
@@ -942,7 +942,7 @@ impl<T> AtomicPtr<T> {
     /// ```
     #[inline]
     #[stable(feature = "atomic_access", since = "1.15.0")]
-    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+    #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
     pub const fn into_inner(self) -> *mut T {
         self.p.into_inner()
     }
@@ -1464,7 +1464,7 @@ assert_eq!(some_var.into_inner(), 5);
 ```"),
                 #[inline]
                 #[$stable_access]
-                #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "none")]
+                #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
                 pub const fn into_inner(self) -> $int_type {
                     self.v.into_inner()
                 }