diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index ec7d366c3f5ce..f7f58a02437c5 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -1512,6 +1512,19 @@ impl<T: ?Sized> UnsafeCell<T> {
     }
 }
 
+#[stable(feature = "unsafe_cell_copy_clone_conservative", since = "1.31.0")]
+impl<T: Clone + Copy> Clone for UnsafeCell<T> {
+    fn clone(&self) -> UnsafeCell<T> {
+        // NOTE: we are explicitly not calling `.clone()` here, to enforce the
+        // use of Copy, rather than relying on what could be a custom impl
+        // of Clone
+        UnsafeCell::new(self.value)
+    }
+}
+
+#[stable(feature = "unsafe_cell_copy_clone_conservative", since = "1.31.0")]
+impl<T: Copy> Copy for UnsafeCell<T> {}
+
 #[stable(feature = "unsafe_cell_default", since = "1.10.0")]
 impl<T: Default> Default for UnsafeCell<T> {
     /// Creates an `UnsafeCell`, with the `Default` value for T.