diff --git a/usb_prop.h b/usb_prop.h
deleted file mode 100644
--- a/usb_prop.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usb_prop.h
-  * @author  MCD Application Team
-  * @version V4.0.0
-  * @date    21-January-2013
-  * @brief   All processing related to Virtual COM Port Demo (Endpoint 0)
-  ******************************************************************************
-  * @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.
-  *
-  ******************************************************************************
-  */
-
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __usb_prop_H
-#define __usb_prop_H
-
-/* Includes ------------------------------------------------------------------*/
-/* Exported types ------------------------------------------------------------*/
-typedef struct
-{
-  uint32_t bitrate;
-  uint8_t format;
-  uint8_t paritytype;
-  uint8_t datatype;
-}LINE_CODING;
-
-/* Exported constants --------------------------------------------------------*/
-/* Exported macro ------------------------------------------------------------*/
-/* Exported define -----------------------------------------------------------*/
-
-#define Virtual_Com_Port_GetConfiguration          NOP_Process
-//#define Virtual_Com_Port_SetConfiguration          NOP_Process
-#define Virtual_Com_Port_GetInterface              NOP_Process
-#define Virtual_Com_Port_SetInterface              NOP_Process
-#define Virtual_Com_Port_GetStatus                 NOP_Process
-#define Virtual_Com_Port_ClearFeature              NOP_Process
-#define Virtual_Com_Port_SetEndPointFeature        NOP_Process
-#define Virtual_Com_Port_SetDeviceFeature          NOP_Process
-//#define Virtual_Com_Port_SetDeviceAddress          NOP_Process
-
-#define SEND_ENCAPSULATED_COMMAND   0x00
-#define GET_ENCAPSULATED_RESPONSE   0x01
-#define SET_COMM_FEATURE            0x02
-#define GET_COMM_FEATURE            0x03
-#define CLEAR_COMM_FEATURE          0x04
-#define SET_LINE_CODING             0x20
-#define GET_LINE_CODING             0x21
-#define SET_CONTROL_LINE_STATE      0x22
-#define SEND_BREAK                  0x23
-
-/* Exported functions ------------------------------------------------------- */
-void Virtual_Com_Port_init(void);
-void Virtual_Com_Port_Reset(void);
-void Virtual_Com_Port_SetConfiguration(void);
-void Virtual_Com_Port_SetDeviceAddress (void);
-void Virtual_Com_Port_Status_In (void);
-void Virtual_Com_Port_Status_Out (void);
-RESULT Virtual_Com_Port_Data_Setup(uint8_t);
-RESULT Virtual_Com_Port_NoData_Setup(uint8_t);
-RESULT Virtual_Com_Port_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting);
-uint8_t *Virtual_Com_Port_GetDeviceDescriptor(uint16_t );
-uint8_t *Virtual_Com_Port_GetConfigDescriptor(uint16_t);
-uint8_t *Virtual_Com_Port_GetStringDescriptor(uint16_t);
-
-uint8_t *Virtual_Com_Port_GetLineCoding(uint16_t Length);
-uint8_t *Virtual_Com_Port_SetLineCoding(uint16_t Length);
-
-#endif /* __usb_prop_H */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-