diff --git a/usb_init.c b/usb_init.c
deleted file mode 100644
--- a/usb_init.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usb_init.c
-  * @author  MCD Application Team
-  * @version V4.0.0
-  * @date    28-August-2012
-  * @brief   Initialization routines & global variables
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */
-
-
-/* Includes ------------------------------------------------------------------*/
-#include "usb_lib.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/*  The number of current endpoint, it will be used to specify an endpoint */
- uint8_t	EPindex;
-/*  The number of current device, it is an index to the Device_Table */
-/* uint8_t	Device_no; */
-/*  Points to the DEVICE_INFO structure of current device */
-/*  The purpose of this register is to speed up the execution */
-DEVICE_INFO *pInformation;
-/*  Points to the DEVICE_PROP structure of current device */
-/*  The purpose of this register is to speed up the execution */
-DEVICE_PROP *pProperty;
-/*  Temporary save the state of Rx & Tx status. */
-/*  Whenever the Rx or Tx state is changed, its value is saved */
-/*  in this variable first and will be set to the EPRB or EPRA */
-/*  at the end of interrupt process */
-uint16_t	SaveState ;
-uint16_t  wInterrupt_Mask;
-DEVICE_INFO	Device_Info;
-USER_STANDARD_REQUESTS  *pUser_Standard_Requests;
-
-/* Extern variables ----------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name  : USB_Init
-* Description    : USB system initialization
-* Input          : None.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void USB_Init(void)
-{
-  pInformation = &Device_Info;
-  pInformation->ControlState = 2;
-  pProperty = &Device_Property;
-  pUser_Standard_Requests = &User_Standard_Requests;
-  /* Initialize devices one by one */
-  pProperty->Init();
-}
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/