diff --git a/src/lib.rs b/src/lib.rs
index 3bd8f736..0adde68d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@
 #![feature(unsafe_destructor)]
 #![warn(missing_docs)]
 
-#![feature(core, old_io, io)]
+#![feature(core, io)]
 
 extern crate time;
 extern crate flate2;
diff --git a/src/util.rs b/src/util.rs
index 2285fe53..a02e76e6 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -25,7 +25,7 @@ pub fn msdos_datetime_to_tm(time: u16, date: u16) -> Tm
     {
         Ok(tm) => tm,
         Err(m) => {
-            let _ = write!(&mut ::std::old_io::stdio::stderr(), "Failed parsing date: {}", m);
+            let _ = write!(&mut io::stderr(), "Failed parsing date: {}", m);
             time::empty_tm()
         },
     }
diff --git a/src/write.rs b/src/write.rs
index e3920cdc..0772249c 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -226,7 +226,7 @@ impl<W: Write+io::Seek> Drop for ZipWriter<W>
         if !self.inner.is_closed()
         {
             if let Err(e) = self.finalize() {
-                let _ = write!(&mut ::std::old_io::stdio::stderr(), "ZipWriter drop failed: {:?}", e);
+                let _ = write!(&mut io::stderr(), "ZipWriter drop failed: {:?}", e);
             }
         }
     }