diff --git a/components/net/lib.rs b/components/net/lib.rs
index 8ab60ead069..61392db1041 100644
--- a/components/net/lib.rs
+++ b/components/net/lib.rs
@@ -10,7 +10,6 @@
 #![feature(plugin)]
 #![feature(rustc_private)]
 #![feature(std_misc)]
-#![feature(unboxed_closures)]
 
 #![plugin(regex_macros)]
 
diff --git a/tests/reftest.rs b/tests/reftest.rs
index 43f187cb684..d7932a783bd 100644
--- a/tests/reftest.rs
+++ b/tests/reftest.rs
@@ -7,7 +7,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(collections, exit_status, fs_walk, io, path, path_ext, slice_patterns, std_misc, test)]
+#![feature(collections, exit_status, fs_walk, path_ext, slice_patterns, test)]
 #[macro_use] extern crate bitflags;
 extern crate png;
 extern crate test;
@@ -19,7 +19,6 @@ use std::fs::{PathExt, File, walk_dir};
 use std::io::{self, Read, Result};
 use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
-use std::thunk::Thunk;
 use test::{AutoColor, DynTestName, DynTestFn, TestDesc, TestOpts, TestDescAndFn, ShouldPanic};
 use test::run_tests_console;
 use url::Url;