7 files changed, 2 insertions, 11 deletions
diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs
index a01787c286b..49c688da31c 100644
--- a/src/libstd/io/buffered.rs
+++ b/src/libstd/io/buffered.rs
@@ -13,7 +13,6 @@
 //! Buffering wrappers for I/O traits
 
 use cmp;
-use collections::Collection;
 use io::{Reader, Writer, Stream, Buffer, DEFAULT_BUF_SIZE, IoResult};
 use iter::ExactSize;
 use ops::Drop;
diff --git a/src/libstd/io/comm_adapters.rs b/src/libstd/io/comm_adapters.rs
index 91f3f38f89d..c925208c3ee 100644
--- a/src/libstd/io/comm_adapters.rs
+++ b/src/libstd/io/comm_adapters.rs
@@ -10,7 +10,6 @@
 
 use clone::Clone;
 use cmp;
-use collections::Collection;
 use comm::{Sender, Receiver};
 use io;
 use option::{None, Some};
diff --git a/src/libstd/io/extensions.rs b/src/libstd/io/extensions.rs
index 06ed183e936..6d0b8ebc3d9 100644
--- a/src/libstd/io/extensions.rs
+++ b/src/libstd/io/extensions.rs
@@ -15,7 +15,6 @@
 // FIXME: Not sure how this should be structured
 // FIXME: Iteration should probably be considered separately
 
-use collections::{Collection, MutableSeq};
 use io::{IoError, IoResult, Reader};
 use io;
 use iter::Iterator;
@@ -502,7 +501,6 @@ mod test {
 mod bench {
     extern crate test;
 
-    use collections::Collection;
     use prelude::*;
     use self::test::Bencher;
 
diff --git a/src/libstd/io/fs.rs b/src/libstd/io/fs.rs
index f193ce8cffa..c8524676a6d 100644
--- a/src/libstd/io/fs.rs
+++ b/src/libstd/io/fs.rs
@@ -54,7 +54,6 @@ fs::unlink(&path);
 
 use c_str::ToCStr;
 use clone::Clone;
-use collections::{Collection, MutableSeq};
 use io::standard_error;
 use io::{FilePermission, Write, UnstableFileStat, Open, FileAccess, FileMode};
 use io::{IoResult, IoError, FileStat, SeekStyle, Seek, Writer, Reader};
diff --git a/src/libstd/io/mem.rs b/src/libstd/io/mem.rs
index 2f6dd7e4795..60104365817 100644
--- a/src/libstd/io/mem.rs
+++ b/src/libstd/io/mem.rs
@@ -13,13 +13,11 @@
 //! Readers and Writers for in-memory buffers
 
 use cmp::min;
-use collections::Collection;
 use option::None;
 use result::{Err, Ok};
 use io;
 use io::{Reader, Writer, Seek, Buffer, IoError, SeekStyle, IoResult};
-use slice;
-use slice::AsSlice;
+use slice::{mod, AsSlice, ImmutableSlice};
 use vec::Vec;
 
 const BUF_CAPACITY: uint = 128;
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index 6d6c0c0dd75..c6f237ff1da 100644
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -222,7 +222,6 @@ responding to errors that may occur while attempting to read the numbers.
 #![deny(unused_must_use)]
 
 use char::Char;
-use collections::Collection;
 use default::Default;
 use fmt;
 use int;
diff --git a/src/libstd/io/net/ip.rs b/src/libstd/io/net/ip.rs
index e93af744699..f4f3be13f66 100644
--- a/src/libstd/io/net/ip.rs
+++ b/src/libstd/io/net/ip.rs
@@ -15,13 +15,12 @@
 
 #![allow(missing_docs)]
 
-use collections::Collection;
 use fmt;
 use from_str::FromStr;
 use iter::Iterator;
 use option::{Option, None, Some};
 use str::StrSlice;
-use slice::{MutableCloneableSlice, MutableSlice};
+use slice::{MutableCloneableSlice, MutableSlice, ImmutableSlice};
 
 pub type Port = u16;