diff --git a/src/main/drivers/adc_stm32f10x.c b/src/main/drivers/adc_stm32f10x.c
index 77cb80816c..e5a451cc37 100644
--- a/src/main/drivers/adc_stm32f10x.c
+++ b/src/main/drivers/adc_stm32f10x.c
@@ -20,6 +20,9 @@
 #include <string.h>
 
 #include "platform.h"
+
+#include "build_config.h"
+
 #include "system.h"
 
 #include "sensors/sensors.h" // FIXME dependency into the main code
@@ -41,6 +44,7 @@ extern volatile uint16_t adcValues[ADC_CHANNEL_COUNT];
 
 #ifdef CC3D
 void adcInit(drv_adc_config_t *init) {
+    UNUSED(init);
 }
 #else
 void adcInit(drv_adc_config_t *init)
diff --git a/src/main/drivers/sound_beeper.c b/src/main/drivers/sound_beeper.c
index afe0aaf6ad..190db9fcdd 100644
--- a/src/main/drivers/sound_beeper.c
+++ b/src/main/drivers/sound_beeper.c
@@ -21,6 +21,8 @@
 
 #include "platform.h"
 
+#include "build_config.h"
+
 #include "system.h"
 #include "gpio.h"
 
@@ -52,7 +54,9 @@ static void beepInverted(bool onoff)
 
 void systemBeep(bool onoff)
 {
-#ifdef BEEPER
+#ifndef BEEPER
+    UNUSED(onoff);
+#else
     systemBeepPtr(onoff);
 #endif
 }