diff --git a/01_wait_forever/src/panic_wait.rs b/01_wait_forever/src/panic_wait.rs
index 0a70c721..1a9bec2a 100644
--- a/01_wait_forever/src/panic_wait.rs
+++ b/01_wait_forever/src/panic_wait.rs
@@ -4,7 +4,6 @@
 
 //! A panic handler that infinitely waits.
 
-// use crate::cpu;
 use core::panic::PanicInfo;
 
 #[panic_handler]