diff --git a/src/runtime/src/kernel/cache.rs b/src/runtime/src/kernel/cache.rs
index 1d2b1c59..8ae27f6f 100644
--- a/src/runtime/src/kernel/cache.rs
+++ b/src/runtime/src/kernel/cache.rs
@@ -3,7 +3,6 @@ use libcortex_a9::mutex::Mutex;
 use cslice::{CSlice, AsCSlice};
 use core::mem::transmute;
 use core::str;
-use log::debug;
 
 use crate::artiq_raise;