diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index f157035..12bf06f 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -12,6 +12,7 @@
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
 	select OLD_SIGSUSPEND3
+	select OLD_SIGACTION
 
 config AM33_2
 	def_bool n
diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
index 288ade5..214ff5e 100644
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -26,13 +26,6 @@
 	unsigned long	sig[_NSIG_WORDS];
 } sigset_t;
 
-struct old_sigaction {
-	__sighandler_t sa_handler;
-	old_sigset_t sa_mask;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-};
-
 #define __ARCH_HAS_SA_RESTORER
 
 #include <asm/sigcontext.h>
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index d336d64..9dfac5c 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -32,41 +32,6 @@
 #define DEBUG_SIG 0
 
 /*
- * set signal action syscall
- */
-asmlinkage long sys_sigaction(int sig,
-			      const struct old_sigaction __user *act,
-			      struct old_sigaction __user *oact)
-{
-	struct k_sigaction new_ka, old_ka;
-	int ret;
-
-	if (act) {
-		old_sigset_t mask;
-		if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
-		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-		    __get_user(mask, &act->sa_mask))
-			return -EFAULT;
-		siginitset(&new_ka.sa.sa_mask, mask);
-	}
-
-	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-	if (!ret && oact) {
-		if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
-		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-			return -EFAULT;
-	}
-
-	return ret;
-}
-
-/*
  * do a signal return; undo the signal stack.
  */
 static int restore_sigcontext(struct pt_regs *regs,