diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 88a12544e8b1..325d260abd4e 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -63,3 +63,10 @@ void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
 		regs->ccr |= 0x10000000;
 	}
 }
+
+long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
+		unsigned long r5, unsigned long r6, unsigned long r7,
+		unsigned long r8, struct pt_regs *regs)
+{
+	return do_sigaltstack(uss, uoss, regs->gpr[1]);
+}
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index e5cc803476a1..f5713bfcc56e 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -253,14 +253,6 @@ long sys_sigsuspend(old_sigset_t mask)
  	return -ERESTARTNOHAND;
 }
 
-#ifdef CONFIG_PPC32
-long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, int r5,
-		int r6, int r7, int r8, struct pt_regs *regs)
-{
-	return do_sigaltstack(uss, uoss, regs->gpr[1]);
-}
-#endif
-
 long sys_sigaction(int sig, struct old_sigaction __user *act,
 		struct old_sigaction __user *oact)
 {
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 5d2faf0fbf05..817f1cf4a405 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -66,14 +66,6 @@ struct rt_sigframe {
 	char abigap[288];
 } __attribute__ ((aligned (16)));
 
-long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r5,
-		     unsigned long r6, unsigned long r7, unsigned long r8,
-		     struct pt_regs *regs)
-{
-	return do_sigaltstack(uss, uoss, regs->gpr[1]);
-}
-
-
 /*
  * Set up the sigcontext for the signal frame.
  */
diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h
index c2fe79d4f90f..b3ca41fc8bb1 100644
--- a/include/asm-powerpc/syscalls.h
+++ b/include/asm-powerpc/syscalls.h
@@ -43,16 +43,9 @@ asmlinkage long ppc_newuname(struct new_utsname __user * name);
 
 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
 		size_t sigsetsize);
-
-#ifndef __powerpc64__
-asmlinkage long sys_sigaltstack(const stack_t __user *uss,
-		stack_t __user *uoss, int r5, int r6, int r7, int r8,
-		struct pt_regs *regs);
-#else /* __powerpc64__ */
 asmlinkage long sys_sigaltstack(const stack_t __user *uss,
 		stack_t __user *uoss, unsigned long r5, unsigned long r6,
 		unsigned long r7, unsigned long r8, struct pt_regs *regs);
-#endif /* __powerpc64__ */
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_POWERPC_SYSCALLS_H */