diff --git a/packages/kernel/src/sdk/system.rs b/packages/kernel/src/sdk/system.rs
index 175711e..2ab682e 100644
--- a/packages/kernel/src/sdk/system.rs
+++ b/packages/kernel/src/sdk/system.rs
@@ -3,7 +3,7 @@
 use core::{
     arch::asm,
     ffi::c_void,
-    sync::atomic::{AtomicBool, AtomicU32, Ordering},
+    sync::atomic::{AtomicBool, Ordering},
 };
 
 use vex_sdk::*;