1 files changed, 1 insertions, 3 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 9f51758..7b55557 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,11 +6,9 @@
 #![feature(no_std)]
 #![feature(asm)]
 #![feature(associated_consts)]
-#![feature(core, core_prelude, core_slice_ext)]
+#![feature(core, core_slice_ext)]
 
 #[macro_use]
-extern crate core;
-#[macro_use]
 extern crate bitflags;
 
 pub use cpu::*;