diff --git a/usb_istr.h b/usb_istr.h
deleted file mode 100644
--- a/usb_istr.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usb_istr.h
-  * @author  MCD Application Team
-  * @version V4.0.0
-  * @date    21-January-2013
-  * @brief   This file includes the peripherals header files in the user application.
-  ******************************************************************************
-  * @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_ISTR_H
-#define __USB_ISTR_H
-
-/* Includes ------------------------------------------------------------------*/
-#include "usb_conf.h"
-
-/* Exported types ------------------------------------------------------------*/
-/* Exported constants --------------------------------------------------------*/
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions ------------------------------------------------------- */
-
- void USB_Istr(void);
-
-/* function prototypes Automatically built defining related macros */
-
-void EP1_IN_Callback(void);
-void EP2_IN_Callback(void);
-void EP3_IN_Callback(void);
-void EP4_IN_Callback(void);
-void EP5_IN_Callback(void);
-void EP6_IN_Callback(void);
-void EP7_IN_Callback(void);
-
-void EP1_OUT_Callback(void);
-void EP2_OUT_Callback(void);
-void EP3_OUT_Callback(void);
-void EP4_OUT_Callback(void);
-void EP5_OUT_Callback(void);
-void EP6_OUT_Callback(void);
-void EP7_OUT_Callback(void);
-
-#ifdef CTR_CALLBACK
-void CTR_Callback(void);
-#endif
-
-#ifdef DOVR_CALLBACK
-void DOVR_Callback(void);
-#endif
-
-#ifdef ERR_CALLBACK
-void ERR_Callback(void);
-#endif
-
-#ifdef WKUP_CALLBACK
-void WKUP_Callback(void);
-#endif
-
-#ifdef SUSP_CALLBACK
-void SUSP_Callback(void);
-#endif
-
-#ifdef RESET_CALLBACK
-void RESET_Callback(void);
-#endif
-
-#ifdef SOF_CALLBACK
-void SOF_Callback(void);
-#endif
-
-#ifdef ESOF_CALLBACK
-void ESOF_Callback(void);
-#endif
-#endif /*__USB_ISTR_H*/
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/