diff --git a/usbd_cdc_if.h b/usbd_cdc_if.h
deleted file mode 100644
--- a/usbd_cdc_if.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/**
-  ******************************************************************************
-  * @file           : usbd_cdc_if.h
-  * @author         : MCD Application Team
-  * @version        : V1.1.0
-  * @date           : 19-March-2012
-  * @brief          : Header for usbd_cdc_if file.
-  ******************************************************************************
-  * COPYRIGHT(c) 2015 STMicroelectronics
-  *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  * 1. Redistributions of source code must retain the above copyright notice,
-  * this list of conditions and the following disclaimer.
-  * 2. Redistributions in binary form must reproduce the above copyright notice,
-  * this list of conditions and the following disclaimer in the documentation
-  * and/or other materials provided with the distribution.
-  * 3. Neither the name of STMicroelectronics nor the names of its contributors
-  * may be used to endorse or promote products derived from this software
-  * without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  *
-  ******************************************************************************
-*/
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USBD_CDC_IF_H
-#define __USBD_CDC_IF_H
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_cdc.h"
-
-/* Exported types ------------------------------------------------------------*/
-/* Exported constants --------------------------------------------------------*/
-/* Exported cariables --------------------------------------------------------*/
-extern USBD_CDC_ItfTypeDef  USBD_Interface_fops_FS;
-
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions ------------------------------------------------------- */
-/** @defgroup USBD_CDC_IF_Exported_FunctionsPrototype
-  * @{
-  */ 
-uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len);
-
-/**
-  * @}
-  */ 
-#endif /* __USBD_CDC_IF_H */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/