diff --git a/Libraries/BSP/Inc/py32f0xx_bsp_button.h b/Libraries/BSP/Inc/py32f0xx_bsp_button.h
deleted file mode 100644
index 7f000d2..0000000
--- a/Libraries/BSP/Inc/py32f0xx_bsp_button.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    py32f0xx_bsp_button.h
-  * @author  MCU Application Team
-  * @brief   
-  ******************************************************************************
-  */
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef PY32F0XX_BSP_BUTTON_H
-#define PY32F0XX_BSP_BUTTON_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-
-#include "py32f0xx_hal.h"
-
-typedef enum
-{
-  BUTTON_USER = 0,
-  /* Alias */
-  BUTTON_KEY  = BUTTON_USER
-} Button_TypeDef;
-
-typedef enum
-{
-  BUTTON_MODE_GPIO = 0,
-  BUTTON_MODE_EXTI = 1
-} ButtonMode_TypeDef;
-
-#define BUTTONn                            1
-
-/**
-  * @brief User push-button
-  */
-#define USER_BUTTON_PIN                         GPIO_PIN_12
-#define USER_BUTTON_GPIO_PORT                   GPIOA
-#define USER_BUTTON_GPIO_CLK_ENABLE()           __HAL_RCC_GPIOA_CLK_ENABLE()
-#define USER_BUTTON_GPIO_CLK_DISABLE()          __HAL_RCC_GPIOA_CLK_DISABLE()
-#define USER_BUTTON_EXTI_IRQn                   EXTI4_15_IRQn
-
-/* Aliases */
-#define KEY_BUTTON_PIN                          USER_BUTTON_PIN
-#define KEY_BUTTON_GPIO_PORT                    USER_BUTTON_GPIO_PORT
-#define KEY_BUTTON_GPIO_CLK_ENABLE()            USER_BUTTON_GPIO_CLK_ENABLE()
-#define KEY_BUTTON_GPIO_CLK_DISABLE()           USER_BUTTON_GPIO_CLK_DISABLE()
-#define KEY_BUTTON_EXTI_IRQn                    USER_BUTTON_EXTI_IRQn
-
-#define BUTTONx_GPIO_CLK_ENABLE(__INDEX__)      do { if((__INDEX__) == 0) USER_BUTTON_GPIO_CLK_ENABLE();} while(0)
-#define BUTTONx_GPIO_CLK_DISABLE(__INDEX__)     (((__INDEX__) == 0) ? USER_BUTTON_GPIO_CLK_DISABLE() : 0)
-
-
-void             BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode);
-void             BSP_PB_DeInit(Button_TypeDef Button);
-uint32_t         BSP_PB_GetState(Button_TypeDef Button);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* PY32F0XX_BSP_BUTTON_H */
diff --git a/Libraries/BSP/Src/py32f0xx_bsp_button.c b/Libraries/BSP/Src/py32f0xx_bsp_button.c
deleted file mode 100644
index e81a1f2..0000000
--- a/Libraries/BSP/Src/py32f0xx_bsp_button.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include "py32f0xx_bsp_button.h"
-
-
-GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT };
-const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN };
-const uint8_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn };
-
-
-/**
-  * @brief  Configures Button GPIO and EXTI Line.
-  * @param  Button: Specifies the Button to be configured.
-  *   This parameter should be: BUTTON_USER
-  * @param  ButtonMode: Specifies Button mode.
-  *   This parameter can be one of following parameters:
-  *     @arg  BUTTON_MODE_GPIO: Button will be used as simple IO
-  *     @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
-  *                            generation capability
-  * @retval None
-  */
-void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
-{
-  GPIO_InitTypeDef gpioinitstruct;
-
-  /* Enable the BUTTON Clock */
-  BUTTONx_GPIO_CLK_ENABLE(Button);
-
-  gpioinitstruct.Pin = BUTTON_PIN[Button];
-  gpioinitstruct.Pull = GPIO_NOPULL;
-  gpioinitstruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
-
-  if(ButtonMode == BUTTON_MODE_GPIO)
-  {
-    /* Configure Button pin as input */
-    gpioinitstruct.Mode = GPIO_MODE_INPUT;
-
-    HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
-  }
-
-  if(ButtonMode == BUTTON_MODE_EXTI)
-  {
-    /* Configure Button pin as input with External interrupt */
-    gpioinitstruct.Mode   = GPIO_MODE_IT_FALLING;
-    HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
-
-    /* Enable and set Button EXTI Interrupt to the lowest priority */
-    HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
-    HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
-  }
-}
-
-/**
-  * @brief  Push Button DeInit.
-  * @param  Button: Button to be configured
-  *   This parameter should be: BUTTON_USER
-  * @note PB DeInit does not disable the GPIO clock
-  * @retval None
-  */
-void BSP_PB_DeInit(Button_TypeDef Button)
-{
-  GPIO_InitTypeDef gpio_init_structure;
-
-  gpio_init_structure.Pin = BUTTON_PIN[Button];
-  HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
-  HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
-}
-
-/**
-  * @brief  Returns the selected Button state.
-  * @param  Button: Specifies the Button to be checked.
-  *   This parameter should be: BUTTON_USER
-  * @retval Button state.
-  */
-uint32_t BSP_PB_GetState(Button_TypeDef Button)
-{
-  return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
-}