diff --git a/newlib/libc/include/sys/signal.h b/newlib/libc/include/sys/signal.h
index e9aba7c95..09f0778e1 100644
--- a/newlib/libc/include/sys/signal.h
+++ b/newlib/libc/include/sys/signal.h
@@ -183,9 +183,9 @@ int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset));
 int _EXFUN(_kill, (pid_t, int));
 #endif /* _COMPILING_NEWLIB */
 #endif /* __CYGWIN__ || __rtems__ */
-#if defined(__CYGWIN__) || defined(__rtems__) || defined(__SPU__)
+
 int _EXFUN(kill, (pid_t, int));
-#endif /* __CYGWIN__ || __rtems__ || __SPU__ */
+
 #if defined(__CYGWIN__) || defined(__rtems__)
 int _EXFUN(killpg, (pid_t, int));
 int _EXFUN(sigaction, (int, const struct sigaction *, struct sigaction *));