10 files changed, 1 insertions, 11 deletions
diff --git a/src/libextra/arc.rs b/src/libextra/arc.rs
index a59f59deee3..1b6b656e398 100644
--- a/src/libextra/arc.rs
+++ b/src/libextra/arc.rs
@@ -46,7 +46,6 @@ use sync::{Mutex, mutex_with_condvars, RWlock, rwlock_with_condvars};
 
 use core::cast;
 use core::unstable::sync::UnsafeAtomicRcBox;
-use core::ptr;
 use core::task;
 use core::borrow;
 
diff --git a/src/libextra/rope.rs b/src/libextra/rope.rs
index 80d80fa0ade..24cbf1b3f4a 100644
--- a/src/libextra/rope.rs
+++ b/src/libextra/rope.rs
@@ -38,7 +38,6 @@
 use core::prelude::*;
 
 use core::iterator::IteratorUtil;
-use core::str;
 use core::uint;
 use core::vec;
 
diff --git a/src/librustc/middle/astencode.rs b/src/librustc/middle/astencode.rs
index 18946ee2d79..79f5b7984b6 100644
--- a/src/librustc/middle/astencode.rs
+++ b/src/librustc/middle/astencode.rs
@@ -26,7 +26,6 @@ use middle;
 use util::ppaux::ty_to_str;
 
 use core::at_vec;
-use core::str;
 use core::uint;
 use extra::ebml::reader;
 use extra::ebml;
diff --git a/src/librustc/middle/borrowck/mod.rs b/src/librustc/middle/borrowck/mod.rs
index b0b9c9f7efb..da3c5e43606 100644
--- a/src/librustc/middle/borrowck/mod.rs
+++ b/src/librustc/middle/borrowck/mod.rs
@@ -25,7 +25,6 @@ use core::hashmap::{HashSet, HashMap};
 use core::io;
 use core::ops::{BitOr, BitAnd};
 use core::result::{Result};
-use core::str;
 use syntax::ast;
 use syntax::ast_map;
 use syntax::visit;
diff --git a/src/librustc/middle/dataflow.rs b/src/librustc/middle/dataflow.rs
index e2d88e3c768..c528bad0b07 100644
--- a/src/librustc/middle/dataflow.rs
+++ b/src/librustc/middle/dataflow.rs
@@ -21,7 +21,6 @@ use core::prelude::*;
 use core::iterator::IteratorUtil;
 use core::cast;
 use core::io;
-use core::str;
 use core::uint;
 use core::vec;
 use syntax::ast;
diff --git a/src/librustc/middle/freevars.rs b/src/librustc/middle/freevars.rs
index abce35bebff..2907e53cd4c 100644
--- a/src/librustc/middle/freevars.rs
+++ b/src/librustc/middle/freevars.rs
@@ -17,7 +17,6 @@ use middle::resolve;
 use middle::ty;
 
 use core::hashmap::HashMap;
-use core::vec;
 use syntax::codemap::span;
 use syntax::{ast, ast_util, visit};
 
diff --git a/src/librustc/middle/trans/common.rs b/src/librustc/middle/trans/common.rs
index 03ae32cf0a6..a3491114bd3 100644
--- a/src/librustc/middle/trans/common.rs
+++ b/src/librustc/middle/trans/common.rs
@@ -44,7 +44,6 @@ use core::cast;
 use core::hash;
 use core::hashmap::{HashMap, HashSet};
 use core::libc::{c_uint, c_longlong, c_ulonglong};
-use core::ptr;
 use core::str;
 use core::to_bytes;
 use core::vec::raw::to_ptr;
diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index 98ac71bc018..4766504813d 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -32,7 +32,6 @@ use option::{None, Option, Some};
 use old_iter::{BaseIter, EqIter};
 use ptr;
 use ptr::RawPtr;
-use str;
 use to_str::ToStr;
 use uint;
 use vec;
diff --git a/src/libsyntax/parse/lexer.rs b/src/libsyntax/parse/lexer.rs
index 5f9bc4ca6f6..002a6caf85c 100644
--- a/src/libsyntax/parse/lexer.rs
+++ b/src/libsyntax/parse/lexer.rs
@@ -22,7 +22,6 @@ use parse::token::{str_to_ident};
 use core::iterator::IteratorUtil;
 use core::char;
 use core::either;
-use core::str;
 use core::u64;
 
 pub use ext::tt::transcribe::{TtReader, new_tt_reader};
@@ -548,7 +547,7 @@ fn ident_continue(c: char) -> bool {
 // EFFECT: advances the input past that token
 // EFFECT: updates the interner
 fn next_token_inner(rdr: @mut StringReader) -> token::Token {
-    let mut c = rdr.curr;
+    let c = rdr.curr;
     if ident_start(c) {
         let start = rdr.last_pos;
         while ident_continue(rdr.curr) {
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 10fd46ea4b6..2157fec835e 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -34,7 +34,6 @@ use core::io;
 use core::str;
 use core::u64;
 use core::uint;
-use core::vec;
 
 // The @ps is stored here to prevent recursive type.
 pub enum ann_node<'self> {