diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 2688626..e44ba52 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -289,12 +289,6 @@
 /* Used to rename functions so that the compiler emits a call to 'x' rather than the function this was applied to. */
 #define __RENAME(x) __asm__(#x)
 
-#if __ANDROID_API__ < 21
-#define __BIONIC_LEGACY_INLINE static __inline
-#else
-#define __BIONIC_LEGACY_INLINE extern
-#endif
-
 #ifdef __clang__
 #define __AVAILABILITY(...) __attribute__((availability(android,__VA_ARGS__)))
 #else
diff --git a/libc/include/sys/stat.h b/libc/include/sys/stat.h
index 0a999e4..a65f27a 100644
--- a/libc/include/sys/stat.h
+++ b/libc/include/sys/stat.h
@@ -177,7 +177,12 @@
 }
 #endif /* defined(__BIONIC_FORTIFY) */
 
-__BIONIC_LEGACY_INLINE int mkfifo(const char*, mode_t);
+#if __ANDROID_API__ >= 21
+int mkfifo(const char*, mode_t);
+#else
+// Implemented as a static inline before 21.
+#endif
+
 extern int mkfifoat(int, const char*, mode_t) __INTRODUCED_IN(23);
 
 extern int fchmodat(int, const char*, mode_t, int);