diff --git a/arch/powerpc/include/asm/syscall_wrapper.h b/arch/powerpc/include/asm/syscall_wrapper.h
index 75b41b173f7a..67486c67e8a2 100644
--- a/arch/powerpc/include/asm/syscall_wrapper.h
+++ b/arch/powerpc/include/asm/syscall_wrapper.h
@@ -16,11 +16,11 @@ struct pt_regs;
 	      ,,regs->gpr[6],,regs->gpr[7],,regs->gpr[8])
 
 #define __SYSCALL_DEFINEx(x, name, ...)						\
-	long __powerpc_sys##name(const struct pt_regs *regs);			\
-	ALLOW_ERROR_INJECTION(__powerpc_sys##name, ERRNO);			\
+	long sys##name(const struct pt_regs *regs);			\
+	ALLOW_ERROR_INJECTION(sys##name, ERRNO);			\
 	static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));		\
 	static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));	\
-	long __powerpc_sys##name(const struct pt_regs *regs)			\
+	long sys##name(const struct pt_regs *regs)			\
 	{									\
 		return __se_sys##name(SC_POWERPC_REGS_TO_ARGS(x,__VA_ARGS__));	\
 	}									\
@@ -35,17 +35,15 @@ struct pt_regs;
 
 #define SYSCALL_DEFINE0(sname)							\
 	SYSCALL_METADATA(_##sname, 0);						\
-	long __powerpc_sys_##sname(const struct pt_regs *__unused);		\
-	ALLOW_ERROR_INJECTION(__powerpc_sys_##sname, ERRNO);			\
-	long __powerpc_sys_##sname(const struct pt_regs *__unused)
+	long sys_##sname(const struct pt_regs *__unused);		\
+	ALLOW_ERROR_INJECTION(sys_##sname, ERRNO);			\
+	long sys_##sname(const struct pt_regs *__unused)
 
 #define COND_SYSCALL(name)							\
-	long __powerpc_sys_##name(const struct pt_regs *regs);			\
-	long __weak __powerpc_sys_##name(const struct pt_regs *regs)		\
+	long sys_##name(const struct pt_regs *regs);			\
+	long __weak sys_##name(const struct pt_regs *regs)		\
 	{									\
 		return sys_ni_syscall();					\
 	}
 
-#define SYS_NI(name) SYSCALL_ALIAS(__powerpc_sys_##name, sys_ni_posix_timers);
-
 #endif // __ASM_POWERPC_SYSCALL_WRAPPER_H
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 49bbc3e0733d..9840d572da55 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -124,7 +124,7 @@ long sys_ppc_fadvise64_64(int fd, int advice,
 
 #define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, native)
 #define __SYSCALL(nr, entry) \
-	long __powerpc_##entry(const struct pt_regs *regs);
+	long entry(const struct pt_regs *regs);
 
 #ifdef CONFIG_PPC64
 #include <asm/syscall_table_64.h>
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 618aeccdf691..a429c57ed433 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -196,9 +196,6 @@ extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
 
 #else /* CONFIG_PPC64 */
 
-extern long sys_rt_sigreturn(void);
-extern long sys_sigreturn(void);
-
 static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
 				     struct task_struct *tsk)
 {
diff --git a/arch/powerpc/kernel/systbl.c b/arch/powerpc/kernel/systbl.c
index 9d7c5a596171..4305f2a2162f 100644
--- a/arch/powerpc/kernel/systbl.c
+++ b/arch/powerpc/kernel/systbl.c
@@ -20,8 +20,7 @@
 
 #undef __SYSCALL
 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
-#define __SYSCALL(nr, entry) [nr] = __powerpc_##entry,
-#define __powerpc_sys_ni_syscall	sys_ni_syscall
+#define __SYSCALL(nr, entry) [nr] = entry,
 #else
 /*
  * Coerce syscall handlers with arbitrary parameters to common type