diff --git a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
index 63b369d15..25f2abf43 100644
--- a/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
+++ b/companion/src/firmwares/opentx/opentxTaranisSimulator.cpp
@@ -73,7 +73,6 @@ inline int geteepromsize() {
 #include "radio/src/protocols/ppm_arm.cpp"
 #include "radio/src/protocols/pxx_arm.cpp"
 #include "radio/src/protocols/dsm2_arm.cpp"
-#include "radio/src/targets/taranis/pwr_driver.c"
 #include "radio/src/eeprom_common.cpp"
 #include "radio/src/eeprom_conversions.cpp"
 #include "radio/src/eeprom_rlc.cpp"
diff --git a/radio/src/loadboot.cpp b/radio/src/loadboot.cpp
index 867103916..0d27705ff 100644
--- a/radio/src/loadboot.cpp
+++ b/radio/src/loadboot.cpp
@@ -45,15 +45,15 @@
  *
  ****************************************************************************/
 
+#if !defined(SIMU)
+
 #include <stdint.h>
 
-#ifdef PCBSKY
-#include "AT91SAM3S4.h"
-#endif
-
-#ifdef PCBTARANIS
-#include "stm32f2xx.h"
-#include "stm32f2xx_gpio.h"
+#if defined(PCBSKY9X)
+  #include "AT91SAM3S4.h"
+#elif defined(PCBTARANIS)
+  #include "stm32f2xx.h"
+  #include "stm32f2xx_gpio.h"
 #endif
 
 #if defined(PCBTARANIS)
@@ -61,9 +61,6 @@ void bwdt_reset()
 {
   IWDG->KR = 0xAAAA;		// reload
 }
-#endif
-
-#if defined(PCBTARANIS)
 
 __attribute__ ((section(".bootrodata"), used))
 void _bootStart(void);
@@ -71,13 +68,10 @@ void _bootStart(void);
 __attribute__ ((section(".isr_boot_vector"), used))
 const uint32_t BootVectors[] = { (uint32_t) &_estack,
     (uint32_t) (void (*)(void)) ((unsigned long) &_bootStart) };
-#endif
 
-#if defined(PCBTARANIS)
 __attribute__ ((section(".bootrodata.*"), used))
-#endif
 
-#ifdef PCBSKY
+#elif defined(PCBSKY9X)
 __attribute__ ((section(".bootrodata"), used))
 #endif
 
@@ -154,3 +148,4 @@ void _bootStart()
 }
 #endif
 
+#endif
diff --git a/radio/src/simpgmspace.cpp b/radio/src/simpgmspace.cpp
index 8b941be1f..33d16b028 100644
--- a/radio/src/simpgmspace.cpp
+++ b/radio/src/simpgmspace.cpp
@@ -637,6 +637,9 @@ void lcdRefresh()
 }
 
 #if defined(PCBTARANIS)
+void pwrInit() { }
+uint32_t pwrCheck() { return true; }
+void pwrOff() { }
 void usbStart() { }
 int usbPlugged() { return false; }
 void USART_DeInit(USART_TypeDef* ) { }
@@ -668,3 +671,4 @@ void RCC_LSEConfig(uint8_t RCC_LSE) { }
 FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG) { return RESET; }
 ErrorStatus RTC_WaitForSynchro(void) { return SUCCESS; }
 #endif
+
diff --git a/radio/src/targets/taranis/board_taranis.h b/radio/src/targets/taranis/board_taranis.h
index 6a1a1e783..1f9d38d83 100644
--- a/radio/src/targets/taranis/board_taranis.h
+++ b/radio/src/targets/taranis/board_taranis.h
@@ -37,6 +37,8 @@
 #ifndef board_taranis_h
 #define board_taranis_h
 
+#include "stddef.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif