diff --git a/usb_endp.c b/usb_endp.c
deleted file mode 100644
--- a/usb_endp.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usb_endp.c
-  * @author  MCD Application Team
-  * @version V4.0.0
-  * @date    21-January-2013
-  * @brief   Endpoint routines
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2013 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"
-#include "usb_desc.h"
-#include "usb_mem.h"
-#include "hw_config.h"
-#include "usb_istr.h"
-#include "usb_pwr.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-
-/* Interval between sending IN packets in frame number (1 frame = 1ms) */
-#define VCOMPORT_IN_FRAME_INTERVAL             5
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-extern __IO uint32_t packet_sent;
-extern __IO uint32_t packet_receive;
-extern __IO uint8_t Receive_Buffer[64];
-uint32_t Receive_length;
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name  : EP1_IN_Callback
-* Description    :
-* Input          : None.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-
-void EP1_IN_Callback (void)
-{
-  packet_sent = 1;
-}
-
-/*******************************************************************************
-* Function Name  : EP3_OUT_Callback
-* Description    :
-* Input          : None.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void EP3_OUT_Callback(void)
-{
-  packet_receive = 1;
-  Receive_length = GetEPRxCount(ENDP3);
-  PMAToUserBufferCopy((unsigned char*)Receive_Buffer, ENDP3_RXADDR, Receive_length);
-}
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/