diff --git a/src/cat/cat.rs b/src/cat/cat.rs
index b88f792a7..8434bb230 100644
--- a/src/cat/cat.rs
+++ b/src/cat/cat.rs
@@ -333,7 +333,7 @@ fn fail() -> ! {
 
 impl<'a, W: Writer> Writer for UnsafeWriter<'a, W> {
     fn write(&mut self, buf: &[u8]) -> IoResult<()> {
-        let dst = self.buf.mut_slice_from(self.pos);
+        let dst = self.buf.slice_from_mut(self.pos);
         if buf.len() > dst.len() {
             fail();
         }
diff --git a/src/common/c_types.rs b/src/common/c_types.rs
index a2de63100..94124cfc1 100644
--- a/src/common/c_types.rs
+++ b/src/common/c_types.rs
@@ -14,7 +14,7 @@ use self::libc::funcs::posix88::unistd::getgroups;
 use std::vec::Vec;
 
 use std::os;
-use std::ptr::{mut_null, read};
+use std::ptr::{null_mut, read};
 use std::string::raw::from_buf;
 
 #[cfg(target_os = "macos")]
@@ -183,7 +183,7 @@ unsafe fn get_group_list_internal(name: *const c_char, gid: gid_t, groups: *mut
 }
 
 pub fn get_groups() -> Result<Vec<gid_t>, int> {
-    let ngroups = unsafe { getgroups(0, mut_null()) };
+    let ngroups = unsafe { getgroups(0, null_mut()) };
     if ngroups == -1 {
         return Err(os::errno());
     }
diff --git a/src/cut/buffer.rs b/src/cut/buffer.rs
index fc441dd29..4006782af 100644
--- a/src/cut/buffer.rs
+++ b/src/cut/buffer.rs
@@ -38,7 +38,7 @@ impl<R: Reader> BufReader<R> {
 
     #[inline]
     fn read(&mut self) -> IoResult<uint> {
-        let buffer_fill = self.buffer.mut_slice_from(self.end);
+        let buffer_fill = self.buffer.slice_from_mut(self.end);
 
         match self.reader.read(buffer_fill) {
             Ok(nread) => {
diff --git a/src/du/du.rs b/src/du/du.rs
index e65db0913..14f8915a7 100644
--- a/src/du/du.rs
+++ b/src/du/du.rs
@@ -56,7 +56,7 @@ fn du(path: &Path, mut my_stat: Stat,
             }
         };
 
-        for f in read.move_iter() {
+        for f in read.into_iter() {
             let this_stat = Stat{path: f.clone(), fstat: safe_unwrap!(fs::lstat(&f))};
             if this_stat.fstat.kind == TypeDirectory {
                 let oa_clone = options.clone();
@@ -71,8 +71,8 @@ fn du(path: &Path, mut my_stat: Stat,
         }
     }
 
-    for future in futures.mut_iter() {
-        for stat in future.get().move_iter().rev() {
+    for future in futures.iter_mut() {
+        for stat in future.get().into_iter().rev() {
             if !options.separate_dirs && stat.path.dir_path() == my_stat.path {
                 my_stat.fstat.size += stat.fstat.size;
                 my_stat.fstat.unstable.blocks += stat.fstat.unstable.blocks;
@@ -310,10 +310,10 @@ Try '{} --help' for more information.", s, program);
     };
 
     let mut grand_total = 0;
-    for path_str in strs.move_iter() {
+    for path_str in strs.into_iter() {
         let path = Path::new(path_str);
         let stat = safe_unwrap!(fs::lstat(&path));
-        let iter = du(&path, Stat{path: path.clone(), fstat: stat}, options_arc.clone(), 0).move_iter();
+        let iter = du(&path, Stat{path: path.clone(), fstat: stat}, options_arc.clone(), 0).into_iter();
         let (_, len) = iter.size_hint();
         let len = len.unwrap();
         for (index, stat) in iter.enumerate() {
diff --git a/src/echo/echo.rs b/src/echo/echo.rs
index 2a09a14a8..956f25a3a 100644
--- a/src/echo/echo.rs
+++ b/src/echo/echo.rs
@@ -81,7 +81,7 @@ fn convert_str(string: &[u8], index: uint, base: uint) -> (char, uint) {
 fn parse_options(args: Vec<String>, options: &mut EchoOptions) -> Option<Vec<String>> {
     let mut echo_args = vec!();
     let program = args[0].clone();
-    'argloop: for arg in args.move_iter().skip(1) {
+    'argloop: for arg in args.into_iter().skip(1) {
         match arg.as_slice() {
             "--help" | "-h" => {
                 print_help(&program);
diff --git a/src/expand/expand.rs b/src/expand/expand.rs
index 8c32490e4..211adc580 100644
--- a/src/expand/expand.rs
+++ b/src/expand/expand.rs
@@ -28,7 +28,7 @@ static DEFAULT_TABSTOP: uint = 8;
 fn tabstops_parse(s: String) -> Vec<uint> {
     let words = s.as_slice().split(',').collect::<Vec<&str>>();
 
-    let nums = words.move_iter()
+    let nums = words.into_iter()
         .map(|sn| from_str::from_str::<uint>(sn)
             .unwrap_or_else(
                 || crash!(1, "{}\n", "tab size contains invalid character(s)"))
@@ -131,7 +131,7 @@ fn to_next_stop(tabstops: &[uint], col: uint) -> uint {
 fn expand(options: Options) {
     let mut output = io::stdout();
 
-    for file in options.files.move_iter() {
+    for file in options.files.into_iter() {
         let mut col = 0;
         let mut init = true;
         for c in open(file).chars() {
diff --git a/src/paste/paste.rs b/src/paste/paste.rs
index 69282cf59..e489024e4 100644
--- a/src/paste/paste.rs
+++ b/src/paste/paste.rs
@@ -57,7 +57,7 @@ pub fn uumain(args: Vec<String>) -> int {
 }
 
 fn paste(filenames: Vec<String>, serial: bool, delimiters: &str) {
-    let mut files: Vec<io::BufferedReader<Box<Reader>>> = filenames.move_iter().map(|name|
+    let mut files: Vec<io::BufferedReader<Box<Reader>>> = filenames.into_iter().map(|name|
         io::BufferedReader::new(
             if name.as_slice() == "-" {
                 box io::stdio::stdin_raw() as Box<Reader>
@@ -69,7 +69,7 @@ fn paste(filenames: Vec<String>, serial: bool, delimiters: &str) {
     let delimiters: Vec<String> = delimiters.chars().map(|x| x.to_string()).collect();
     let mut delim_count = 0;
     if serial {
-        for file in files.mut_iter() {
+        for file in files.iter_mut() {
             let mut output = String::new();
             loop {
                 match file.read_line() {
@@ -92,7 +92,7 @@ fn paste(filenames: Vec<String>, serial: bool, delimiters: &str) {
         loop {
             let mut output = "".to_string();
             let mut eof_count = 0;
-            for (i, file) in files.mut_iter().enumerate() {
+            for (i, file) in files.iter_mut().enumerate() {
                 if eof[i] {
                     eof_count += 1;
                 } else {
diff --git a/src/printenv/printenv.rs b/src/printenv/printenv.rs
index b305d4746..faa4e37bf 100644
--- a/src/printenv/printenv.rs
+++ b/src/printenv/printenv.rs
@@ -63,7 +63,7 @@ pub fn uumain(args: Vec<String>) -> int {
 pub fn exec(args: Vec<String>, separator: &str) {
     if args.is_empty() {
         let vars = os::env();
-        for (env_var, value) in vars.move_iter() {
+        for (env_var, value) in vars.into_iter() {
             print!("{0:s}={1:s}", env_var, value);
             print(separator);
         }
diff --git a/src/seq/seq.rs b/src/seq/seq.rs
index 0f948f21b..c6eb9106a 100644
--- a/src/seq/seq.rs
+++ b/src/seq/seq.rs
@@ -37,7 +37,7 @@ fn escape_sequences(s: &str) -> String {
 fn parse_options(args: Vec<String>, options: &mut SeqOptions) -> Result<Vec<String>, int> {
     let mut seq_args = vec!();
     let program = args[0].clone();
-    let mut iter = args.move_iter().skip(1);
+    let mut iter = args.into_iter().skip(1);
     loop {
         match iter.next() {
             Some(arg) => match arg.as_slice() {
diff --git a/src/shuf/shuf.rs b/src/shuf/shuf.rs
index 33f478072..46a1213bc 100644
--- a/src/shuf/shuf.rs
+++ b/src/shuf/shuf.rs
@@ -125,7 +125,7 @@ fn shuf(input: Vec<String>, mode: Mode, repeat: bool, zero: bool, count: uint, o
         Echo => shuf_lines(input, repeat, zero, count, output, random),
         InputRange(range) => shuf_lines(range.map(|num| num.to_string()).collect(), repeat, zero, count, output, random),
         Default => {
-            let lines: Vec<String> = input.move_iter().flat_map(|filename| {
+            let lines: Vec<String> = input.into_iter().flat_map(|filename| {
                 let slice = filename.as_slice();
                 let mut file_buf;
                 let mut stdin_buf;
@@ -144,7 +144,7 @@ fn shuf(input: Vec<String>, mode: Mode, repeat: bool, zero: bool, count: uint, o
                     line.pop_char();
                     lines.push(line);
                 }
-                lines.move_iter()
+                lines.into_iter()
             }).collect();
             shuf_lines(lines, repeat, zero, count, output, random)
         }
diff --git a/src/tac/tac.rs b/src/tac/tac.rs
index 847ad1387..d2972682a 100644
--- a/src/tac/tac.rs
+++ b/src/tac/tac.rs
@@ -70,7 +70,7 @@ pub fn uumain(args: Vec<String>) -> int {
 }
 
 fn tac(filenames: Vec<String>, before: bool, _: bool, separator: &str) {
-    for filename in filenames.move_iter() {
+    for filename in filenames.into_iter() {
         let mut file = io::BufferedReader::new(
             if filename.as_slice() == "-" {
                 box io::stdio::stdin_raw() as Box<Reader>
diff --git a/src/tee/tee.rs b/src/tee/tee.rs
index 0f6b6628d..3e5445f97 100644
--- a/src/tee/tee.rs
+++ b/src/tee/tee.rs
@@ -59,7 +59,7 @@ fn options(args: &[String]) -> Result<Options, ()> {
         let help = format!("{}\n\nUsage:\n  {} {}\n\n{}\n{}",
                            version, program, arguments, usage(brief, opts),
                            comment);
-        let names = m.free.clone().move_iter().collect::<Vec<String>>().append_one("-".to_string());
+        let names = m.free.clone().into_iter().collect::<Vec<String>>().append_one("-".to_string());
         let to_print = if m.opt_present("help") { Some(help) }
                        else if m.opt_present("version") { Some(version) }
                        else { None };
diff --git a/src/unexpand/unexpand.rs b/src/unexpand/unexpand.rs
index 1c13edd15..f6c20bf5c 100644
--- a/src/unexpand/unexpand.rs
+++ b/src/unexpand/unexpand.rs
@@ -28,7 +28,7 @@ static DEFAULT_TABSTOP: uint = 8;
 fn tabstops_parse(s: String) -> Vec<uint> {
     let words = s.as_slice().split(',').collect::<Vec<&str>>();
 
-    let nums = words.move_iter()
+    let nums = words.into_iter()
         .map(|sn| from_str::from_str::<uint>(sn)
             .unwrap_or_else(
                 || crash!(1, "{}\n", "tab size contains invalid character(s)"))
@@ -156,7 +156,7 @@ fn unexpand(options: Options) {
     let mut output = io::stdout();
     let ts = options.tabstops.as_slice();
 
-    for file in options.files.move_iter() {
+    for file in options.files.into_iter() {
         let mut col = 0;
         let mut nspaces = 0;
         let mut init = true;
diff --git a/src/uptime/uptime.rs b/src/uptime/uptime.rs
index 46ea48cbb..283e6cb82 100644
--- a/src/uptime/uptime.rs
+++ b/src/uptime/uptime.rs
@@ -19,7 +19,7 @@ extern crate libc;
 
 use std::mem::transmute;
 use std::io::{print, File};
-use std::ptr::{mut_null, null};
+use std::ptr::{null_mut, null};
 use std::from_str::from_str;
 use libc::{time_t, c_double, c_int, c_char};
 use c_types::c_tm;
@@ -143,7 +143,7 @@ fn print_nusers(nusers: uint) {
 }
 
 fn print_time() {
-    let local_time = unsafe { *localtime(&time(mut_null())) };
+    let local_time = unsafe { *localtime(&time(null_mut())) };
 
     if local_time.tm_hour >= 0 && local_time.tm_min >= 0 &&
        local_time.tm_sec >= 0 {
@@ -160,7 +160,7 @@ fn get_uptime(boot_time: Option<time_t>) -> i64 {
         Ok(s) => s,
         _ => return match boot_time {
                 Some(t) => {
-                    let now = unsafe { time(mut_null()) };
+                    let now = unsafe { time(null_mut()) };
                     ((now - t) * 100) as i64 // Return in ms
                 },
                 _ => -1