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diff --git a/nuttx/arch/arm/src/stm32/stm32_waste.h b/nuttx/arch/arm/src/stm32/stm32_waste.h
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@@ -1,78 +0,0 @@
-/****************************************************************************
- * arch/arm/src/stm32/stm32_waste.h
- *
- * Copyright (C) 2011 Uros Platise. All rights reserved.
- * Author: Uros Platise <uros.platise@isotel.eu>
- *
- * 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 NuttX 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 OWNER 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.
- *
- ****************************************************************************/
-
-#ifndef __ARCH_ARM_SRC_STM32_STM32_WASTE_H
-#define __ARCH_ARM_SRC_STM32_STM32_WASTE_H
-
-/* Waste CPU Time */
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-#ifndef __ASSEMBLY__
-
-#undef EXTERN
-#if defined(__cplusplus)
-#define EXTERN extern "C"
-extern "C" {
-#else
-#define EXTERN extern
-#endif
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/** Waste CPU Time
- *
- * up_waste() is the logic that will be executed when portions of kernel
- * or user-app is polling some register or similar, waiting for desired
- * status. This time is wasted away. This function offers a measure of
- * badly written piece of software or some undesired behavior.
- *
- * At the same time this function adds to some IDLE time which portion
- * cannot be used for other purposes (yet).
- **/
-
-EXTERN void up_waste(void);
-
-#undef EXTERN
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* __ASSEMBLY__ */
-#endif /* __ARCH_ARM_SRC_STM32_STM32_RRC_H */