diff --git a/src/libnative/io/timer_other.rs b/src/libnative/io/timer_other.rs
index 13f1ea6319a46..569b4cbb258e0 100644
--- a/src/libnative/io/timer_other.rs
+++ b/src/libnative/io/timer_other.rs
@@ -102,11 +102,11 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
     // active timers are those which are able to be selected upon (and it's a
     // sorted list, and dead timers are those which have expired, but ownership
     // hasn't yet been transferred back to the timer itself.
-    let mut active: ~[~Inner] = ~[];
-    let mut dead = ~[];
+    let mut active: Vec<~Inner> = vec![];
+    let mut dead = vec![];
 
     // inserts a timer into an array of timers (sorted by firing time)
-    fn insert(t: ~Inner, active: &mut ~[~Inner]) {
+    fn insert(t: ~Inner, active: &mut Vec<~Inner>) {
         match active.iter().position(|tm| tm.target > t.target) {
             Some(pos) => { active.insert(pos, t); }
             None => { active.push(t); }
@@ -114,7 +114,7 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
     }
 
     // signals the first requests in the queue, possible re-enqueueing it.
-    fn signal(active: &mut ~[~Inner], dead: &mut ~[(uint, ~Inner)]) {
+    fn signal(active: &mut Vec<~Inner>, dead: &mut Vec<(uint, ~Inner)>) {
         let mut timer = match active.shift() {
             Some(timer) => timer, None => return
         };
@@ -137,7 +137,7 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
             let now = now();
             // If this request has already expired, then signal it and go
             // through another iteration
-            if active[0].target <= now {
+            if active.get(0).target <= now {
                 signal(&mut active, &mut dead);
                 continue;
             }
@@ -145,7 +145,7 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
             // The actual timeout listed in the requests array is an
             // absolute date, so here we translate the absolute time to a
             // relative time.
-            let tm = active[0].target - now;
+            let tm = active.get(0).target - now;
             timeout.tv_sec = (tm / 1000) as libc::time_t;
             timeout.tv_usec = ((tm % 1000) * 1000) as libc::suseconds_t;
             &timeout as *libc::timeval
diff --git a/src/libnative/io/timer_timerfd.rs b/src/libnative/io/timer_timerfd.rs
index 25dbdc1e1a5cd..d37a39fc30e8d 100644
--- a/src/libnative/io/timer_timerfd.rs
+++ b/src/libnative/io/timer_timerfd.rs
@@ -76,7 +76,7 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
 
     add(efd, input);
     let events: [imp::epoll_event, ..16] = unsafe { mem::init() };
-    let mut list: ~[(libc::c_int, Sender<()>, bool)] = ~[];
+    let mut list: Vec<(libc::c_int, Sender<()>, bool)> = vec![];
     'outer: loop {
         let n = match unsafe {
             imp::epoll_wait(efd, events.as_ptr(),
@@ -104,9 +104,9 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
                 //      times?
                 let _ = FileDesc::new(fd, false).inner_read(bits).unwrap();
                 let (remove, i) = {
-                    match list.bsearch(|&(f, _, _)| f.cmp(&fd)) {
+                    match list.as_slice().bsearch(|&(f, _, _)| f.cmp(&fd)) {
                         Some(i) => {
-                            let (_, ref c, oneshot) = list[i];
+                            let (_, ref c, oneshot) = *list.get(i);
                             (!c.try_send(()) || oneshot, i)
                         }
                         None => fail!("fd not active: {}", fd),
@@ -128,9 +128,9 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
 
                     // If we haven't previously seen the file descriptor, then
                     // we need to add it to the epoll set.
-                    match list.bsearch(|&(f, _, _)| f.cmp(&fd)) {
+                    match list.as_slice().bsearch(|&(f, _, _)| f.cmp(&fd)) {
                         Some(i) => {
-                            drop(mem::replace(&mut list[i], (fd, chan, one)));
+                            drop(mem::replace(list.get_mut(i), (fd, chan, one)));
                         }
                         None => {
                             match list.iter().position(|&(f, _, _)| f >= fd) {
@@ -150,7 +150,7 @@ fn helper(input: libc::c_int, messages: Receiver<Req>) {
                 }
 
                 Data(RemoveTimer(fd, chan)) => {
-                    match list.bsearch(|&(f, _, _)| f.cmp(&fd)) {
+                    match list.as_slice().bsearch(|&(f, _, _)| f.cmp(&fd)) {
                         Some(i) => {
                             drop(list.remove(i));
                             del(efd, fd);
diff --git a/src/libnative/io/timer_win32.rs b/src/libnative/io/timer_win32.rs
index 278a5a73a36bd..8b7592783da04 100644
--- a/src/libnative/io/timer_win32.rs
+++ b/src/libnative/io/timer_win32.rs
@@ -40,8 +40,8 @@ pub enum Req {
 }
 
 fn helper(input: libc::HANDLE, messages: Receiver<Req>) {
-    let mut objs = ~[input];
-    let mut chans = ~[];
+    let mut objs = vec![input];
+    let mut chans = vec![];
 
     'outer: loop {
         let idx = unsafe {
@@ -78,7 +78,7 @@ fn helper(input: libc::HANDLE, messages: Receiver<Req>) {
             }
         } else {
             let remove = {
-                match &chans[idx as uint - 1] {
+                match chans.get(idx as uint - 1) {
                     &(ref c, oneshot) => !c.try_send(()) || oneshot
                 }
             };