#![stable(feature = "rust1", since = "1.0.0")]
-use clone::Clone;
use intrinsics;
use ops::{CoerceUnsized, Deref};
use fmt;
use hash;
-use option::Option::{self, Some, None};
-use marker::{Copy, PhantomData, Send, Sized, Sync, Unsize};
+use marker::{PhantomData, Unsize};
use mem;
use nonzero::NonZero;
-use cmp::{PartialEq, Eq, Ord, PartialOrd};
use cmp::Ordering::{self, Less, Equal, Greater};
// FIXME #19649: intrinsic docs don't render, so these have no docs :(