diff --git a/libraries/FreematicsPlus/FreematicsMEMS.cpp b/libraries/FreematicsPlus/FreematicsMEMS.cpp
index f9071dad..7ad7bf8f 100644
--- a/libraries/FreematicsPlus/FreematicsMEMS.cpp
+++ b/libraries/FreematicsPlus/FreematicsMEMS.cpp
@@ -144,6 +144,7 @@ bool MEMS_I2C::initI2C(unsigned long clock)
   conf.scl_io_num = (gpio_num_t)22;
   conf.scl_pullup_en = GPIO_PULLUP_ENABLE;
   conf.master.clk_speed = clock;
+  conf.clk_flags = 0;
   return i2c_param_config(i2c_master_port, &conf) == ESP_OK &&
     i2c_driver_install(i2c_master_port, conf.mode, 0, 0, 0) == ESP_OK;
 }
diff --git a/libraries/FreematicsPlus/FreematicsPlus.cpp b/libraries/FreematicsPlus/FreematicsPlus.cpp
index c2ad4113..ad0d3ae8 100644
--- a/libraries/FreematicsPlus/FreematicsPlus.cpp
+++ b/libraries/FreematicsPlus/FreematicsPlus.cpp
@@ -140,10 +140,6 @@ static void gps_decode_task(void* inst)
     }
 }
 
-extern "C" {
-int32_t hall_sens_read();
-}
-
 // get chip temperature sensor
 int readChipTemperature()
 {
@@ -177,11 +173,7 @@ int readChipTemperature()
 
 int readChipHallSensor()
 {
-#ifdef ARDUINO_ESP32C3_DEV
     return 0; // FIXME
-#else
-    return hall_sens_read();
-#endif
 }
 
 uint16_t getFlashSize()