diff --git a/src/system/kernel/arch/ppc/arch_commpage.cpp b/src/system/kernel/arch/ppc/arch_commpage.cpp
index b852143ad2..049e16dc74 100644
--- a/src/system/kernel/arch/ppc/arch_commpage.cpp
+++ b/src/system/kernel/arch/ppc/arch_commpage.cpp
@@ -14,17 +14,13 @@
 #include <smp.h>
 
 
-// user syscall assembly stubs
-extern "C" void _user_syscall_int(void);
-extern unsigned int _user_syscall_int_end;
-extern "C" void _user_syscall_sysenter(void);
-extern unsigned int _user_syscall_sysenter_end;
 
 
 status_t
 arch_commpage_init(void)
 {
-#error WRITEME
+	/* no optimized memcpy or anything yet */
+	/* we don't use it for syscall yet either */
 	return B_OK;
 }