diff --git a/src/ioconverter.rs b/src/ioconverter.rs
index 6dafcab2..d3eb2b5d 100644
--- a/src/ioconverter.rs
+++ b/src/ioconverter.rs
@@ -5,12 +5,11 @@ use std::cell::RefCell;
 
 pub struct IoConverter<T> {
     inner: RefCell<T>,
-    eofs: usize,
 }
 
 impl<T> IoConverter<T> {
     pub fn new(inner: T) -> IoConverter<T> {
-        IoConverter { inner: RefCell::new(inner), eofs: 0, }
+        IoConverter { inner: RefCell::new(inner), }
     }
     pub fn into_inner(self) -> T {
         self.inner.into_inner()
@@ -41,27 +40,7 @@ impl<W: Writer> Write for IoConverter<W> {
     }
 }
 
-impl<W: io::Seek> old_io::Seek for IoConverter<W> {
-    fn tell(&self) -> old_io::IoResult<u64> {
-        match self.inner.borrow_mut().seek(io::SeekFrom::Current(0)) {
-            Ok(v) => Ok(v),
-            Err(..) => Err(old_io::standard_error(old_io::OtherIoError)),
-        }
-    }
-    fn seek(&mut self, pos: i64, style: old_io::SeekStyle) -> old_io::IoResult<()> {
-        let new_pos = match style {
-            old_io::SeekSet => io::SeekFrom::Start(pos as u64),
-            old_io::SeekEnd => io::SeekFrom::End(pos),
-            old_io::SeekCur => io::SeekFrom::Current(pos),
-        };
-        match self.inner.borrow_mut().seek(new_pos) {
-            Ok(..) => Ok(()),
-            Err(..) => Err(old_io::standard_error(old_io::OtherIoError)),
-        }
-    }
-}
-
-impl<R: old_io::Reader> Read for IoConverter<R> {
+impl<R: Reader> Read for IoConverter<R> {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         match self.inner.borrow_mut().read(buf) {
             Ok(v) => Ok(v),
@@ -74,14 +53,7 @@ impl<R: old_io::Reader> Read for IoConverter<R> {
 impl<R: Read> Reader for IoConverter<R> {
     fn read(&mut self, buf: &mut [u8]) -> old_io::IoResult<usize> {
         match self.inner.borrow_mut().read(buf) {
-            Ok(0) => {
-                if self.eofs >= 2 {
-                    Err(old_io::standard_error(old_io::EndOfFile))
-                } else {
-                    self.eofs += 1;
-                    Ok(0)
-                }
-            },
+            Ok(0) if buf.len() > 0 => Err(old_io::standard_error(old_io::EndOfFile)),
             Ok(v) => Ok(v),
             Err(..) => Err(old_io::standard_error(old_io::OtherIoError)),
         }
diff --git a/src/util.rs b/src/util.rs
index 03ec9686..a606d0b9 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -63,14 +63,6 @@ impl<'a, R: Read> Read for RefMutReader<'a, R>
     }
 }
 
-impl<'a, R: Reader> Reader for RefMutReader<'a, R>
-{
-    fn read(&mut self, buf: &mut [u8]) -> ::std::old_io::IoResult<usize>
-    {
-        self.inner.read(buf)
-    }
-}
-
 /// Additional integer write methods for a io::Read
 pub trait WriteIntExt {
     /// Write a u32 in little-endian mode
@@ -110,16 +102,12 @@ pub trait ReadIntExt {
 
 fn fill_exact<R: Read>(reader: &mut R, buf: &mut [u8]) -> io::Result<()> {
     let mut idx = 0;
-    let mut tries = 0;
     while idx < buf.len() {
         match reader.read(&mut buf[idx..]) {
             Err(v) => return Err(v),
+            Ok(0) => return Err(io::Error::new(io::ErrorKind::ResourceUnavailable, "Could not fill the buffer", None)),
             Ok(i) => idx += i,
         }
-        tries += 1;
-        if tries > 2*buf.len() {
-            return Err(io::Error::new(io::ErrorKind::ResourceUnavailable, "Could not fill the buffer", None));
-        }
     }
     Ok(())
 }
diff --git a/src/writer.rs b/src/writer.rs
index 5bf2a4ad..03e265bd 100644
--- a/src/writer.rs
+++ b/src/writer.rs
@@ -7,7 +7,6 @@ use result::{ZipResult, ZipError};
 use std::default::Default;
 use std::io;
 use std::io::prelude::*;
-use std::old_io::Writer;
 use std::mem;
 use time;
 use flate2;