diff --git a/include/signal.h b/include/signal.h
index 2e846e621f45..c60db50a795e 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -90,57 +90,4 @@ void	psignal __P((unsigned int, const char *));
 #endif /* !_ANSI_SOURCE */
 __END_DECLS
 
-#ifndef _ANSI_SOURCE
-/* List definitions after function declarations, or Reiser cpp gets upset. */
-extern __inline int sigaddset(sigset_t *set, int signo)
-{
-
-	if (signo <= 0 || signo > _SIG_MAXSIG) {
-		/* errno = EINVAL; */
-		return (-1);
-	}
-	set->__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo);
-	return (0);
-}
-
-extern __inline int sigdelset(sigset_t *set, int signo)
-{
-
-	if (signo <= 0 || signo > _SIG_MAXSIG) {
-		/* errno = EINVAL; */
-		return (-1);
-	}
-	set->__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo);
-	return (0);
-}
-
-extern __inline int sigemptyset(sigset_t *set)
-{
-	int i;
-
-	for (i = 0; i < _SIG_WORDS; i++)
-		set->__bits[i] = 0;
-	return (0);
-}
-
-extern __inline int sigfillset(sigset_t *set)
-{
-	int i;
-
-	for (i = 0; i < _SIG_WORDS; i++)
-		set->__bits[i] = ~(unsigned int)0;
-	return (0);
-}
-
-extern __inline int sigismember(__const sigset_t *set, int signo)
-{
-
-	if (signo <= 0 || signo > _SIG_MAXSIG) {
-		/* errno = EINVAL; */
-		return (-1);
-	}
-	return ((set->__bits[_SIG_WORD(signo)] & _SIG_BIT(signo)) ? 1 : 0);
-}
-#endif /* !_ANSI_SOURCE */
-
 #endif /* !_SIGNAL_H_ */