diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
index fb4454c94cb33..137a6fa6191a4 100644
--- a/library/core/src/cell.rs
+++ b/library/core/src/cell.rs
@@ -1342,6 +1342,22 @@ impl<T: ?Sized> Deref for Ref<'_, T> {
     }
 }
 
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::convert::AsRef<T> for Ref<'_, T> {
+    #[inline]
+    fn as_ref(&self) -> &T {
+        self
+    }
+}
+
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::borrow::Borrow<T> for Ref<'_, T> {
+    #[inline]
+    fn borrow(&self) -> &T {
+        self
+    }
+}
+
 impl<'b, T: ?Sized> Ref<'b, T> {
     /// Copies a `Ref`.
     ///
@@ -1733,6 +1749,38 @@ impl<T: ?Sized> DerefMut for RefMut<'_, T> {
     }
 }
 
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::convert::AsRef<T> for RefMut<'_, T> {
+    #[inline]
+    fn as_ref(&self) -> &T {
+        self
+    }
+}
+
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::convert::AsMut<T> for RefMut<'_, T> {
+    #[inline]
+    fn as_mut(&mut self) -> &mut T {
+        self
+    }
+}
+
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::borrow::Borrow<T> for RefMut<'_, T> {
+    #[inline]
+    fn borrow(&self) -> &T {
+        self
+    }
+}
+
+#[stable(feature = "borrow_ref", since = "1.65.0")]
+impl<T: ?Sized> crate::borrow::BorrowMut<T> for RefMut<'_, T> {
+    #[inline]
+    fn borrow_mut(&mut self) -> &mut T {
+        self
+    }
+}
+
 #[unstable(feature = "coerce_unsized", issue = "27732")]
 impl<'b, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<RefMut<'b, U>> for RefMut<'b, T> {}