diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h
index cfb5fb4..cd2327d 100644
--- a/arch/um/include/skas_ptrace.h
+++ b/arch/um/include/skas_ptrace.h
@@ -6,22 +6,11 @@
 #ifndef __SKAS_PTRACE_H
 #define __SKAS_PTRACE_H
 
-struct ptrace_faultinfo {
-	int is_write;
-	unsigned long addr;
-};
-
-struct ptrace_ldt {
-	int func;
-  	void *ptr;
-	unsigned long bytecount;
-};
-
 #define PTRACE_FAULTINFO 52
-#define PTRACE_SIGPENDING 53
-#define PTRACE_LDT 54
 #define PTRACE_SWITCH_MM 55
 
+#include "sysdep/skas_ptrace.h"
+
 #endif
 
 /*