diff --git a/src/arch/x86/interrupt/irq.rs b/src/arch/x86/interrupt/irq.rs
index 4531ba3db0..a22eda3220 100644
--- a/src/arch/x86/interrupt/irq.rs
+++ b/src/arch/x86/interrupt/irq.rs
@@ -284,13 +284,6 @@ interrupt!(lapic_error, || {
     lapic_eoi();
 });
 
-interrupt!(calib_pit, || {
-    {
-        *time::OFFSET.lock() += pit::RATE;
-    }
-
-    eoi(0);
-});
 // XXX: This would look way prettier using const generics.
 
 macro_rules! allocatable_irq(