Use `#[prelude_import]` in `libstd`.

2 files changed, 3 insertions, 13 deletions

diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs
index 5dae1a09bf4..38222c014f6 100644
--- a/src/libstd/ffi/c_str.rs
+++ b/src/libstd/ffi/c_str.rs
@@ -9,25 +9,18 @@
 // except according to those terms.
 
 use ascii;
-use borrow::{Cow, ToOwned, Borrow};
-use boxed::Box;
-use convert::{Into, From};
-use cmp::{PartialEq, Eq, PartialOrd, Ord, Ordering};
+use borrow::{Cow, Borrow};
+use cmp::Ordering;
 use error::Error;
 use fmt::{self, Write};
 use io;
-use iter::Iterator;
 use libc;
 use mem;
 use memchr;
 use ops;
-use option::Option::{self, Some, None};
 use os::raw::c_char;
-use result::Result::{self, Ok, Err};
 use slice;
 use str::{self, Utf8Error};
-use string::String;
-use vec::Vec;
 
 /// A type representing an owned C-compatible string
 ///
@@ -700,7 +693,6 @@ impl AsRef<CStr> for CString {
 
 #[cfg(test)]
 mod tests {
-    use prelude::v1::*;
     use super::*;
     use os::raw::c_char;
     use borrow::Cow::{Borrowed, Owned};
diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index 3d23a9a2383..36cf4ef758d 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -8,14 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use borrow::{Borrow, Cow, ToOwned};
+use borrow::{Borrow, Cow};
 use fmt::{self, Debug};
 use mem;
-use string::String;
 use ops;
 use cmp;
 use hash::{Hash, Hasher};
-use vec::Vec;
 
 use sys::os_str::{Buf, Slice};
 use sys_common::{AsInner, IntoInner, FromInner};