diff --git a/arch/um/include/arch.h b/arch/um/include/arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e11dd7c1adb425a68fe6217b4796dfbfdd4bb83
--- /dev/null
+++ b/arch/um/include/arch.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __ARCH_H__
+#define __ARCH_H__
+
+#include "sysdep/ptrace.h"
+
+extern void arch_check_bugs(void);
+extern int arch_fixup(unsigned long address, void *sc_ptr);
+extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
+
+#endif
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index df4869aa940612fc0fda0892536dac0f39b69f35..fabad2372af003e54ba411abff6fe50f6c6724ee 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -65,10 +65,6 @@ extern int attach(int pid);
 extern void kill_child_dead(int pid);
 extern int cont(int pid);
 extern void check_sigio(void);
-extern void arch_check_bugs(void);
-extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
-extern int arch_fixup(unsigned long address, void *sc_ptr);
-extern void arch_init_thread(void);
 extern int raw(int fd);
 
 #endif
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 26f15c4585747c3bf1d95fef79276e628b69c7f6..e27b898412fc1417bf01a6b0d61634a95ca8638e 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -20,6 +20,7 @@
 #include "sysdep/sigcontext.h"
 #include "user_util.h"
 #include "kern_util.h"
+#include "arch.h"
 #include "kern.h"
 #include "chan_kern.h"
 #include "mconsole_kern.h"
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 613fb082bbd5896ed8a14d391ff4243ae1f17362..8eefb5202c501bb34f67bf060f638538e9b6c00a 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -28,6 +28,7 @@
 #include "asm/current.h"
 #include "user_util.h"
 #include "kern_util.h"
+#include "arch.h"
 #include "kern.h"
 #include "mem_user.h"
 #include "mem.h"