diff --git a/templates/f7/Makefile b/templates/f7/Makefile
index 016434e..23d366a 100644
--- a/templates/f7/Makefile
+++ b/templates/f7/Makefile
@@ -38,32 +38,17 @@ BUILD_DIR = build
 C_SOURCES =  \
 Src/main.c \
 Src/stm32f7xx_it.c \
-Src/stm32f7xx_hal_msp.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_gpio.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c \
+Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c \
+Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_gpio.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usart.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_dma.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pcd.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pcd_ex.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_rcc.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_utils.c \
 Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_exti.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c \
-Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_exti.c \
 Src/system_stm32f7xx.c \
 Src/RTT/SEGGER_RTT.c \
 Src/RTT/SEGGER_RTT_printf.c \
diff --git a/templates/f7/Src/main.c b/templates/f7/Src/main.c
index ab1a4e8..d336278 100644
--- a/templates/f7/Src/main.c
+++ b/templates/f7/Src/main.c
@@ -240,9 +240,9 @@ int main(void)
         dbg_printf("p: "); for (int i = 0; i < nplen; i++) dbg_printf("%02x", npub[i]); dbg_printf("\n");
         dbg_printf("k: "); for (int i = 0; i < klen; i++) dbg_printf("%02x", k[i]); dbg_printf("\n");
         #endif
-        LL_GPIO_TogglePin(GPIOB, LL_GPIO_PIN_14);
+        LL_GPIO_TogglePin(GPIOB, LL_GPIO_PIN_7);
         res = crypto_aead_encrypt(c, &clen, m, mlen, ad, adlen, nsec, npub, k);
-        LL_GPIO_TogglePin(GPIOB, LL_GPIO_PIN_14);
+        LL_GPIO_TogglePin(GPIOB, LL_GPIO_PIN_7);
 				break;
 
       default: