diff --git a/ChangeLog b/ChangeLog
index bfb4edf7f..e35e6109f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-          : 
+          : nRF5x: ensure TIMER1_IRQHandler doesn't always wake idle loop up (fix #1900)
 
      2v25 : ESP32C3: Get analogRead working correctly
             Graphics: Adjust image alignment when rotating images to avoid cropping (fix #2535)
diff --git a/targets/nrf5x/jshardware.c b/targets/nrf5x/jshardware.c
index d605e6ed3..143ec5307 100644
--- a/targets/nrf5x/jshardware.c
+++ b/targets/nrf5x/jshardware.c
@@ -628,7 +628,6 @@ const nrf_drv_twis_t *jshGetTWIS(IOEventFlags device) {
 void TIMER1_IRQHandler(void) {
   nrf_timer_task_trigger(NRF_TIMER1, NRF_TIMER_TASK_CLEAR);
   nrf_timer_event_clear(NRF_TIMER1, NRF_TIMER_EVENT_COMPARE0);
-  jshHadEvent();
   jstUtilTimerInterruptHandler();
 }