diff --git a/src/bench/bench.rs b/src/bench/bench.rs
index c5b2a30..2603bf2 100644
--- a/src/bench/bench.rs
+++ b/src/bench/bench.rs
@@ -12,9 +12,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-#[feature(globs)];
-
-#[feature(globs)];
+#![feature(globs)]
 
 extern crate cgmath;
 extern crate test;
diff --git a/src/cgmath/array.rs b/src/cgmath/array.rs
index 4e4a0bc..9ae7dc6 100644
--- a/src/cgmath/array.rs
+++ b/src/cgmath/array.rs
@@ -59,17 +59,17 @@ macro_rules! array(
 
             #[inline]
             fn as_slice<'a>(&'a self) -> &'a [$T,..$n] {
-                unsafe { ::std::cast::transmute(self) }
+                unsafe { ::std::mem::transmute(self) }
             }
 
             #[inline]
             fn as_mut_slice<'a>(&'a mut self) -> &'a mut [$T,..$n] {
-                unsafe { ::std::cast::transmute(self) }
+                unsafe { ::std::mem::transmute(self) }
             }
 
             #[inline]
             fn from_slice(slice: [$T,..$n]) -> $Self {
-                unsafe { ::std::cast::transmute(slice) }
+                unsafe { ::std::mem::transmute(slice) }
             }
 
             #[inline]
diff --git a/src/cgmath/plane.rs b/src/cgmath/plane.rs
index b13576f..70552e1 100644
--- a/src/cgmath/plane.rs
+++ b/src/cgmath/plane.rs
@@ -13,7 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use std::cast::transmute;
+use std::mem::transmute;
 use std::fmt;
 use std::num::Zero;