diff --git a/src/avr/timer.c b/src/avr/timer.c
index c0a04624..1c4d03a9 100644
--- a/src/avr/timer.c
+++ b/src/avr/timer.c
@@ -203,13 +203,3 @@ timer_task(void)
     irq_enable();
 }
 DECL_TASK(timer_task);
-
-static void
-timer_shutdown(void)
-{
-    // Reenable timer irq
-    timer_set(timer_get() + 50);
-    TIFR1 = 1<<OCF1A;
-    timer_repeat_set(timer_get() + TIMER_IDLE_REPEAT_TICKS);
-}
-DECL_SHUTDOWN(timer_shutdown);