diff --git a/radio/src/hal/adc_driver.cpp b/radio/src/hal/adc_driver.cpp
index b68c04bef..831f8037b 100644
--- a/radio/src/hal/adc_driver.cpp
+++ b/radio/src/hal/adc_driver.cpp
@@ -151,6 +151,7 @@ bool adcRead()
   return true;
 }
 
+#if !defined(SIMU)
 uint16_t getRTCBatteryVoltage()
 {
 #if defined(HAS_TX_RTC_VOLTAGE)
@@ -166,7 +167,6 @@ uint16_t getRTCBatteryVoltage()
 #endif
 }
 
-#if !defined(SIMU)
 uint16_t getAnalogValue(uint8_t index)
 {
   if (IS_POT(index) && !IS_POT_SLIDER_AVAILABLE(index)) {
diff --git a/radio/src/targets/nv14/CMakeLists.txt b/radio/src/targets/nv14/CMakeLists.txt
index 4f5aa592b..5cc1d030b 100644
--- a/radio/src/targets/nv14/CMakeLists.txt
+++ b/radio/src/targets/nv14/CMakeLists.txt
@@ -48,8 +48,6 @@ add_definitions(-DINTERNAL_MODULE_AFHDS2A)
 set(TARGET_SRC
   ${TARGET_SRC}
   audio_spi_driver.cpp
-  ../../hal/adc_driver.cpp
-  ../common/arm/stm32/stm32_hal_adc.cpp
   ../common/arm/stm32/mixer_scheduler_driver.cpp
   ../common/arm/stm32/timers_driver.cpp
   )
@@ -58,6 +56,8 @@ set(FIRMWARE_TARGET_SRC
   ${FIRMWARE_TARGET_SRC}
   battery_driver.cpp
   ../horus/flyskyHallStick_driver.cpp
+  ../common/arm/stm32/stm32_hal_adc.cpp
+  ../../hal/adc_driver.cpp
   )
 
 set(BITMAPS_TARGET nv14_bitmaps)