diff --git a/ports/cef/core.rs b/ports/cef/core.rs
index 7fcac74d848..c3bef096f85 100644
--- a/ports/cef/core.rs
+++ b/ports/cef/core.rs
@@ -13,8 +13,6 @@ use servo_config::opts;
 use std::ffi;
 use std::str;
 
-const MAX_RENDERING_THREADS: usize = 128;
-
 //static HOME_URL: &'static str = "http://s27.postimg.org/vqbtrolyr/servo.jpg";
 
 static CEF_API_HASH_UNIVERSAL: &'static [u8] = b"8efd129f4afc344bd04b2feb7f73a149b6c4e27f\0";
@@ -57,16 +55,6 @@ pub extern "C" fn cef_initialize(args: *const cef_main_args_t,
         }
     }
 
-    let rendering_threads = unsafe {
-        if ((*settings).rendering_threads as usize) < 1 {
-            1
-        } else if (*settings).rendering_threads as usize > MAX_RENDERING_THREADS {
-            MAX_RENDERING_THREADS
-        } else {
-            (*settings).rendering_threads as usize
-        }
-    };
-
     let mut temp_opts = opts::default_opts();
     temp_opts.headless = false;
     temp_opts.hard_fail = false;
diff --git a/ports/cef/window.rs b/ports/cef/window.rs
index b598e35abdd..7d6f08bfeef 100644
--- a/ports/cef/window.rs
+++ b/ports/cef/window.rs
@@ -31,7 +31,6 @@ use std::ffi::CString;
 use std::os::raw::{c_char, c_void};
 use std::ptr;
 use std::rc::Rc;
-use std::sync::mpsc::{Sender, channel};
 use servo_url::ServoUrl;
 use style_traits::cursor::Cursor;
 use style_traits::DevicePixel;
diff --git a/tests/unit/script/textinput.rs b/tests/unit/script/textinput.rs
index 620368b4d8f..708a24f9649 100644
--- a/tests/unit/script/textinput.rs
+++ b/tests/unit/script/textinput.rs
@@ -7,8 +7,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use msg::constellation_msg::{ALT, CONTROL, SUPER};
-use msg::constellation_msg::{Key, KeyModifiers};
+#[cfg(target_os = "macos")]
+use msg::constellation_msg::{ALT, SUPER};
+use msg::constellation_msg::{Key, KeyModifiers, CONTROL};
 use script::clipboard_provider::DummyClipboardContext;
 use script::test::DOMString;
 use script::textinput::{TextInput, TextPoint, Selection, Lines, Direction, SelectionDirection};