diff --git a/include/linux/byteorder/Kbuild b/include/linux/byteorder/Kbuild
index d39dc0f7c67e8eeaba0eea13651a13a335c5014c..79bedddfd9ca15c02d9fa91793d24027fa5f6b8c 100644
--- a/include/linux/byteorder/Kbuild
+++ b/include/linux/byteorder/Kbuild
@@ -2,5 +2,4 @@ header-y += big_endian.h
 header-y += little_endian.h
 
 unifdef-y += generic.h
-unifdef-y += swabb.h
 unifdef-y += swab.h
diff --git a/include/linux/byteorder/swabb.h b/include/linux/byteorder/swabb.h
index ae5e5f914bf4a082b1f12e3956f4e868011710db..8c780c7d779e134fd9d42531b8f2e8d61b2badb4 100644
--- a/include/linux/byteorder/swabb.h
+++ b/include/linux/byteorder/swabb.h
@@ -25,6 +25,8 @@
  *
  */
 
+#include <linux/types.h>
+
 #define ___swahw32(x) \
 ({ \
 	__u32 __x = (x); \
@@ -77,19 +79,14 @@
 /*
  * Allow constant folding
  */
-#if defined(__GNUC__) && defined(__OPTIMIZE__)
-#  define __swahw32(x) \
+#define __swahw32(x) \
 (__builtin_constant_p((__u32)(x)) ? \
  ___swahw32((x)) : \
  __fswahw32((x)))
-#  define __swahb32(x) \
+#define __swahb32(x) \
 (__builtin_constant_p((__u32)(x)) ? \
  ___swahb32((x)) : \
  __fswahb32((x)))
-#else
-#  define __swahw32(x) __fswahw32(x)
-#  define __swahb32(x) __fswahb32(x)
-#endif /* OPTIMIZE */
 
 
 static inline __u32 __fswahw32(__u32 x)
@@ -128,13 +125,11 @@ static inline void __swahb32s(__u32 *addr)
  */
 #endif /* __BYTEORDER_HAS_U64__ */
 
-#if defined(__KERNEL__)
 #define swahw32 __swahw32
 #define swahb32 __swahb32
 #define swahw32p __swahw32p
 #define swahb32p __swahb32p
 #define swahw32s __swahw32s
 #define swahb32s __swahb32s
-#endif
 
 #endif /* _LINUX_BYTEORDER_SWABB_H */