diff --git a/ports/nrf/common-hal/alarm/time/TimeAlarm.h b/ports/nrf/common-hal/alarm/time/TimeAlarm.h
index a2c33be6fb..734feb1c87 100644
--- a/ports/nrf/common-hal/alarm/time/TimeAlarm.h
+++ b/ports/nrf/common-hal/alarm/time/TimeAlarm.h
@@ -39,7 +39,6 @@ extern void port_interrupt_after_ticks_ch(uint32_t channel, uint32_t ticks);
 mp_obj_t alarm_time_timealarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t *alarms);
 mp_obj_t alarm_time_timealarm_create_wakeup_alarm(void);
 
-// Check for the wake up alarm from pretend deep sleep.
 bool alarm_time_timealarm_woke_this_cycle(void);
 void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
 void alarm_time_timealarm_reset(void);
diff --git a/ports/stm/common-hal/alarm/time/TimeAlarm.h b/ports/stm/common-hal/alarm/time/TimeAlarm.h
index 1dd217edd6..48531ebdf6 100644
--- a/ports/stm/common-hal/alarm/time/TimeAlarm.h
+++ b/ports/stm/common-hal/alarm/time/TimeAlarm.h
@@ -37,7 +37,6 @@ typedef struct {
 mp_obj_t alarm_time_timealarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t *alarms);
 mp_obj_t alarm_time_timealarm_create_wakeup_alarm(void);
 
-// Check for the wake up alarm from pretend deep sleep.
 bool alarm_time_timealarm_woke_this_cycle(void);
 void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
 void alarm_time_timealarm_reset(void);