diff --git a/kernel/src/arch/riscv64/timer.rs b/kernel/src/arch/riscv64/timer.rs
index 6c7d8cba..0e508c27 100644
--- a/kernel/src/arch/riscv64/timer.rs
+++ b/kernel/src/arch/riscv64/timer.rs
@@ -21,7 +21,6 @@ pub fn handle_interrupt() {
     sbi::sbi_set_timer(now.wrapping_add(frequency / TICK_RATE));
 
     if Cpu::local().is_bootstrap() {
-        let frequency = frequency * 1000;
         let last = LAST_TICK.swap(now, Ordering::Release);
         if frequency != 0 {
             if let Some(delta) = now.checked_sub(last) {