diff --git a/src/arch/x86_64.rs b/src/arch/x86_64.rs
index 1323dbdd5d..3f96e2af0d 100644
--- a/src/arch/x86_64.rs
+++ b/src/arch/x86_64.rs
@@ -1,3 +1,6 @@
+use core::{mem, slice};
+use core::ops::{Deref, DerefMut};
+
 use super::error::{Error, Result};
 
 macro_rules! syscall {