diff --git a/ports/cef/browser.rs b/ports/cef/browser.rs
index cf1403d55d4..7121c89e637 100644
--- a/ports/cef/browser.rs
+++ b/ports/cef/browser.rs
@@ -18,9 +18,9 @@ use libc::c_int;
 use util::opts;
 use std::borrow::ToOwned;
 use std::cell::{Cell, RefCell, BorrowState};
-use std::sync::atomic::{AtomicInt, Ordering};
+use std::sync::atomic::{AtomicIsize, Ordering};
 
-thread_local!(pub static ID_COUNTER: AtomicInt = AtomicInt::new(0));
+thread_local!(pub static ID_COUNTER: AtomicIsize = AtomicIsize::new(0));
 thread_local!(pub static BROWSERS: RefCell<Vec<CefBrowser>> = RefCell::new(vec!()));
 
 pub enum ServoBrowser {
diff --git a/ports/cef/command_line.rs b/ports/cef/command_line.rs
index 39b08869a9f..d4d4006d713 100644
--- a/ports/cef/command_line.rs
+++ b/ports/cef/command_line.rs
@@ -34,9 +34,8 @@ pub fn command_line_init(argc: c_int, argv: *const *const u8) {
     unsafe {
         let mut a: Vec<String> = vec!();
         for i in 0u..(argc as uint) {
-            let offset = *argv.offset(i as int) as *const c_char;
-            let slice = ffi::c_str_to_bytes(&offset);
-            let s = str::from_utf8(slice).unwrap();
+            let slice = ffi::CStr::from_ptr(*argv.offset(i as int) as *const c_char);
+            let s = str::from_utf8(slice.to_bytes()).unwrap();
             a.push(String::from_str(s));
         }
         let cl = command_line_new();
diff --git a/ports/cef/core.rs b/ports/cef/core.rs
index 111d2c72487..25563526a8c 100644
--- a/ports/cef/core.rs
+++ b/ports/cef/core.rs
@@ -128,8 +128,8 @@ pub extern "C" fn cef_log(_file: *const c_char,
                           _severity: c_int,
                           message: *const c_char) {
     unsafe {
-        let slice = ffi::c_str_to_bytes(&message);
-        println!("{}", str::from_utf8(slice).unwrap())
+        let slice = ffi::CStr::from_ptr(message);
+        println!("{}", str::from_utf8(slice.to_bytes()).unwrap())
     }
 }
 
diff --git a/ports/cef/string.rs b/ports/cef/string.rs
index 4ad1d00a92a..f758b907c25 100644
--- a/ports/cef/string.rs
+++ b/ports/cef/string.rs
@@ -94,7 +94,7 @@ pub extern "C" fn cef_string_utf8_set(src: *const u8, src_len: size_t, output: *
                  return 0;
              }
 
-             ptr::copy_memory((*output).str, src, src_len as uint);
+             ptr::copy((*output).str, src, src_len as uint);
              (*output).length = src_len;
              (*output).dtor = Some(string_utf8_dtor as extern "C" fn(*mut u8));
            }
@@ -175,7 +175,7 @@ pub extern "C" fn cef_string_utf16_set(src: *const c_ushort, src_len: size_t, ou
                  return 0;
              }
 
-             ptr::copy_memory((*output).str, src, src_len as uint);
+             ptr::copy((*output).str, src, src_len as uint);
              (*output).length = src_len;
              (*output).dtor = Some(string_utf16_dtor as extern "C" fn(*mut c_ushort));
            }
@@ -233,7 +233,7 @@ pub extern "C" fn cef_string_wide_set(src: *const wchar_t, src_len: size_t, outp
                  return 0;
              }
 
-             ptr::copy_memory((*output).str, src, src_len as uint);
+             ptr::copy((*output).str, src, src_len as uint);
              (*output).length = src_len;
              (*output).dtor = Some(string_wide_dtor as extern "C" fn(*mut wchar_t));
            }
diff --git a/ports/cef/wrappers.rs b/ports/cef/wrappers.rs
index a93531c198f..3bfd1c27464 100644
--- a/ports/cef/wrappers.rs
+++ b/ports/cef/wrappers.rs
@@ -182,7 +182,7 @@ impl<'a> CefWrap<*const cef_string_t> for &'a [u16] {
     fn to_c(buffer: &'a [u16]) -> *const cef_string_t {
         unsafe {
             let ptr: *mut c_ushort = mem::transmute(libc::malloc(((buffer.len() + 1) * 2) as u64));
-            ptr::copy_memory(ptr, mem::transmute(buffer.as_ptr()), buffer.len());
+            ptr::copy(ptr, mem::transmute(buffer.as_ptr()), buffer.len());
             *ptr.offset(buffer.len() as int) = 0;
 
             // FIXME(pcwalton): This leaks!! We should instead have the caller pass some scratch