diff --git a/backport/backport-include/linux/average.h b/backport/backport-include/linux/average.h
deleted file mode 100644
index 5d80041..0000000
--- a/backport/backport-include/linux/average.h
+++ /dev/null
@@ -1,46 +0,0 @@
-#ifndef __BACKPORT_AVERAGE
-#define __BACKPORT_AVERAGE
-#include_next <linux/average.h>
-
-#ifndef DECLARE_EWMA
-#define DECLARE_EWMA(name, _factor, _weight)				\
-	struct ewma_##name {						\
-		unsigned long internal;					\
-	};								\
-	static inline void ewma_##name##_init(struct ewma_##name *e)	\
-	{								\
-		BUILD_BUG_ON(!__builtin_constant_p(_factor));		\
-		BUILD_BUG_ON(!__builtin_constant_p(_weight));		\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_factor);			\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_weight);			\
-		e->internal = 0;					\
-	}								\
-	static inline unsigned long					\
-	ewma_##name##_read(struct ewma_##name *e)			\
-	{								\
-		BUILD_BUG_ON(!__builtin_constant_p(_factor));		\
-		BUILD_BUG_ON(!__builtin_constant_p(_weight));		\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_factor);			\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_weight);			\
-		return e->internal >> ilog2(_factor);			\
-	}								\
-	static inline void ewma_##name##_add(struct ewma_##name *e,	\
-					     unsigned long val)		\
-	{								\
-		unsigned long internal = ACCESS_ONCE(e->internal);	\
-		unsigned long weight = ilog2(_weight);			\
-		unsigned long factor = ilog2(_factor);			\
-									\
-		BUILD_BUG_ON(!__builtin_constant_p(_factor));		\
-		BUILD_BUG_ON(!__builtin_constant_p(_weight));		\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_factor);			\
-		BUILD_BUG_ON_NOT_POWER_OF_2(_weight);			\
-									\
-		ACCESS_ONCE(e->internal) = internal ?			\
-			(((internal << weight) - internal) +		\
-				(val << factor)) >> weight :		\
-			(val << factor);				\
-	}
-#endif /* DECLARE_EWMA */
-
-#endif /* __BACKPORT_AVERAGE */
diff --git a/copy-list b/copy-list
index e0ff84b..b284771 100644
--- a/copy-list
+++ b/copy-list
@@ -18,6 +18,7 @@
 
 # This just defines some macros, simply take it
 include/linux/bitfield.h
+include/linux/average.h
 
 # 802.11
 drivers/net/wireless/Kconfig