diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 7309901..ecbcee4 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -14,7 +14,7 @@ quote = "0.1.3"
 syn = "0.7.0"
 
 [dev-dependencies]
-compiletest_rs = "0.2.2"
+compiletest_rs = "0.2.5"
 
 [dev-dependencies.num]
 path = ".."
diff --git a/derive/src/lib.rs b/derive/src/lib.rs
index 9e1804d..47fd490 100644
--- a/derive/src/lib.rs
+++ b/derive/src/lib.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate syn;
 #[macro_use]
diff --git a/derive/tests/compile-fail/derive_on_struct.rs b/derive/tests/compile-fail/derive_on_struct.rs
index b75c096..0145618 100644
--- a/derive/tests/compile-fail/derive_on_struct.rs
+++ b/derive/tests/compile-fail/derive_on_struct.rs
@@ -1,4 +1,3 @@
-
 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
@@ -9,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
-
 extern crate num;
 #[macro_use]
 extern crate num_derive;
diff --git a/derive/tests/compile-fail/enum_with_associated_data.rs b/derive/tests/compile-fail/enum_with_associated_data.rs
index 59eb87c..ca6f34d 100644
--- a/derive/tests/compile-fail/enum_with_associated_data.rs
+++ b/derive/tests/compile-fail/enum_with_associated_data.rs
@@ -1,4 +1,3 @@
-
 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
@@ -9,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
-
 extern crate num;
 #[macro_use]
 extern crate num_derive;
diff --git a/derive/tests/empty_enum.rs b/derive/tests/empty_enum.rs
index 5dd964d..1ffb1d3 100644
--- a/derive/tests/empty_enum.rs
+++ b/derive/tests/empty_enum.rs
@@ -1,4 +1,3 @@
-
 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
@@ -9,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
-
 extern crate num;
 #[macro_use]
 extern crate num_derive;
diff --git a/derive/tests/trivial.rs b/derive/tests/trivial.rs
index c4efe47..0c100e7 100644
--- a/derive/tests/trivial.rs
+++ b/derive/tests/trivial.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
-
 extern crate num;
 #[macro_use]
 extern crate num_derive;
diff --git a/derive/tests/with_custom_values.rs b/derive/tests/with_custom_values.rs
index a2038c7..a83ea5b 100644
--- a/derive/tests/with_custom_values.rs
+++ b/derive/tests/with_custom_values.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
-
 extern crate num;
 #[macro_use]
 extern crate num_derive;