diff --git a/src/kernel/core/arch/ppc/arch_thread.c b/src/kernel/core/arch/ppc/arch_thread.c
index 08398fa9f5..f3a1f4366f 100755
--- a/src/kernel/core/arch/ppc/arch_thread.c
+++ b/src/kernel/core/arch/ppc/arch_thread.c
@@ -72,12 +72,6 @@ arch_thread_init_tls(struct thread *thread)
 }
 
 
-void
-arch_thread_switch_kstack_and_call(struct thread *t, addr new_kstack, void (*func)(void *), void *arg)
-{
-}
-
-
 void
 arch_thread_context_switch(struct thread *t_from, struct thread *t_to)
 {