diff --git a/include/asm-um/ptrace-generic.h b/include/asm-um/ptrace-generic.h
index a36f5371b36b0148886714d86d05baa2a4eca8e5..99c87c5ce994645d8b62d81611e530fb2a711725 100644
--- a/include/asm-um/ptrace-generic.h
+++ b/include/asm-um/ptrace-generic.h
@@ -8,19 +8,7 @@
 
 #ifndef __ASSEMBLY__
 
-
-#define pt_regs pt_regs_subarch
-#define show_regs show_regs_subarch
-#define send_sigtrap send_sigtrap_subarch
-
-#include "asm/arch/ptrace.h"
-
-#undef pt_regs
-#undef show_regs
-#undef send_sigtrap
-#undef user_mode
-#undef instruction_pointer
-
+#include "asm/arch/ptrace-abi.h"
 #include "sysdep/ptrace.h"
 
 struct pt_regs {
diff --git a/include/asm-um/ptrace-x86_64.h b/include/asm-um/ptrace-x86_64.h
index c894e68b1f969754e8dd7e2649e9ea395e961ad6..2074483e6ca4a2b9306234131bbea080c77dd309 100644
--- a/include/asm-um/ptrace-x86_64.h
+++ b/include/asm-um/ptrace-x86_64.h
@@ -11,15 +11,11 @@
 #include "asm/errno.h"
 #include "asm/host_ldt.h"
 
-#define signal_fault signal_fault_x86_64
 #define __FRAME_OFFSETS /* Needed to get the R* macros */
 #include "asm/ptrace-generic.h"
-#undef signal_fault
 
 #define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
 
-void signal_fault(struct pt_regs_subarch *regs, void *frame, char *where);
-
 #define FS_BASE (21 * sizeof(unsigned long))
 #define GS_BASE (22 * sizeof(unsigned long))
 #define DS (23 * sizeof(unsigned long))