diff --git a/nrf5/modules/machine/pin.c b/nrf5/modules/machine/pin.c
index bfa06ddfcc..d2676a52c2 100644
--- a/nrf5/modules/machine/pin.c
+++ b/nrf5/modules/machine/pin.c
@@ -519,8 +519,6 @@ STATIC const mp_map_elem_t pin_locals_dict_table[] = {
     // IRQ triggers, can be or'd together
     { MP_OBJ_NEW_QSTR(MP_QSTR_IRQ_RISING),    MP_OBJ_NEW_SMALL_INT(HAL_GPIO_POLARITY_EVENT_LOW_TO_HIGH) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_IRQ_FALLING),   MP_OBJ_NEW_SMALL_INT(HAL_GPIO_POLARITY_EVENT_HIGH_TO_LOW) },
-    { MP_OBJ_NEW_QSTR(MP_QSTR_IRQ_TOGGLE),    MP_OBJ_NEW_SMALL_INT(HAL_GPIO_POLARITY_EVENT_TOGGLE) },
-
 /*
     // legacy class constants
     { MP_OBJ_NEW_QSTR(MP_QSTR_OUT_PP),    MP_OBJ_NEW_SMALL_INT(GPIO_MODE_OUTPUT_PP) },