diff --git a/ports/esp32/modesp32.c b/ports/esp32/modesp32.c
index 7a436bf77c..a18ca4c137 100644
--- a/ports/esp32/modesp32.c
+++ b/ports/esp32/modesp32.c
@@ -170,12 +170,6 @@ STATIC mp_obj_t esp32_raw_temperature(void) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp32_raw_temperature_obj, esp32_raw_temperature);
 
-STATIC mp_obj_t esp32_hall_sensor(void) {
-    adc1_config_width(ADC_WIDTH_12Bit);
-    return MP_OBJ_NEW_SMALL_INT(hall_sensor_read());
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp32_hall_sensor_obj, esp32_hall_sensor);
-
 #endif
 
 STATIC mp_obj_t esp32_idf_heap_info(const mp_obj_t cap_in) {
@@ -210,7 +204,6 @@ STATIC const mp_rom_map_elem_t esp32_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_gpio_deep_sleep_hold), MP_ROM_PTR(&esp32_gpio_deep_sleep_hold_obj) },
     #if CONFIG_IDF_TARGET_ESP32
     { MP_ROM_QSTR(MP_QSTR_raw_temperature), MP_ROM_PTR(&esp32_raw_temperature_obj) },
-    { MP_ROM_QSTR(MP_QSTR_hall_sensor), MP_ROM_PTR(&esp32_hall_sensor_obj) },
     #endif
     { MP_ROM_QSTR(MP_QSTR_idf_heap_info), MP_ROM_PTR(&esp32_idf_heap_info_obj) },