diff --git a/embed/boardloader/lowlevel.c b/embed/boardloader/lowlevel.c
index 8621574a4d..785bfd7bf0 100644
--- a/embed/boardloader/lowlevel.c
+++ b/embed/boardloader/lowlevel.c
@@ -43,3 +43,28 @@ bool flash_check_option_bytes(void)
         ((FLASH->OPTCR & FLASH_OPTCR_RDP) == FLASH_OPTCR_RDP_2) &&
         ((FLASH->OPTCR & FLASH_OPTCR_BOR_LEV) == (FLASH_OPTCR_BOR_LEV_0 | FLASH_OPTCR_BOR_LEV_1));
 }
+
+void periph_init(void)
+{
+    // STM32F4xx HAL library initialization:
+    //  - configure the Flash prefetch, instruction and data caches
+    //  - configure the Systick to generate an interrupt each 1 msec
+    //  - set NVIC Group Priority to 4
+    //  - global MSP (MCU Support Package) initialization
+    HAL_Init();
+
+    // Enable GPIO clocks
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    __HAL_RCC_GPIOD_CLK_ENABLE();
+
+    // Clear the reset flags
+    PWR->CR |= PWR_CR_CSBF;
+    RCC->CSR |= RCC_CSR_RMVF;
+
+    // Enable CPU ticks
+    CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;  // Enable DWT
+    DWT->CYCCNT = 0;  // Reset Cycle Count Register
+    DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;  // Enable Cycle Count Register
+}
diff --git a/embed/boardloader/lowlevel.h b/embed/boardloader/lowlevel.h
index d0e37d4cf6..c50879f9a2 100644
--- a/embed/boardloader/lowlevel.h
+++ b/embed/boardloader/lowlevel.h
@@ -5,5 +5,6 @@
 
 void flash_set_option_bytes(void);
 bool flash_check_option_bytes(void);
+void periph_init(void);
 
 #endif
diff --git a/embed/boardloader/main.c b/embed/boardloader/main.c
index dd7ece766b..25cabe45a6 100644
--- a/embed/boardloader/main.c
+++ b/embed/boardloader/main.c
@@ -1,5 +1,3 @@
-#include STM32_HAL_H
-
 #include <string.h>
 
 #include "common.h"
@@ -149,34 +147,8 @@ static const uint8_t * const BOARDLOADER_KEYS[] = {
 #endif
 };
 
-void periph_init(void)
-{
-    // STM32F4xx HAL library initialization:
-    //  - configure the Flash prefetch, instruction and data caches
-    //  - configure the Systick to generate an interrupt each 1 msec
-    //  - set NVIC Group Priority to 4
-    //  - global MSP (MCU Support Package) initialization
-    HAL_Init();
-
-    // Enable GPIO clocks
-    __HAL_RCC_GPIOA_CLK_ENABLE();
-    __HAL_RCC_GPIOB_CLK_ENABLE();
-    __HAL_RCC_GPIOC_CLK_ENABLE();
-    __HAL_RCC_GPIOD_CLK_ENABLE();
-
-    // Clear the reset flags
-    PWR->CR |= PWR_CR_CSBF;
-    RCC->CSR |= RCC_CSR_RMVF;
-
-    // Enable CPU ticks
-    CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;  // Enable DWT
-    DWT->CYCCNT = 0;  // Reset Cycle Count Register
-    DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;  // Enable Cycle Count Register
-}
-
 int main(void)
 {
-
 #if PRODUCTION
     flash_set_option_bytes();
     if (!flash_check_option_bytes()) {
diff --git a/embed/bootloader/main.c b/embed/bootloader/main.c
index 7b96f8055b..ebdc986699 100644
--- a/embed/bootloader/main.c
+++ b/embed/bootloader/main.c
@@ -207,7 +207,6 @@ void check_bootloader_version(void)
 
 int main(void)
 {
-
 #if PRODUCTION
     check_bootloader_version();
 #endif
diff --git a/embed/firmware/main.c b/embed/firmware/main.c
index 1489165a64..76e3946a6d 100644
--- a/embed/firmware/main.c
+++ b/embed/firmware/main.c
@@ -23,7 +23,6 @@
 
 int main(void)
 {
-
     pendsv_init();
 
     display_orientation(0);