diff --git a/tests/test.rs b/tests/test.rs
index 54db972..2f7060c 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -18,7 +18,6 @@
 #![feature(core, plugin)]
 #![plugin(ioreg)]
 
-extern crate core;
 extern crate volatile_cell;
 
 #[cfg(test)]