diff --git a/arch/ppc64/oprofile/common.c b/arch/ppc64/oprofile/common.c
index 0260122..3e8daab 100644
--- a/arch/ppc64/oprofile/common.c
+++ b/arch/ppc64/oprofile/common.c
@@ -17,11 +17,8 @@
 #include <asm/system.h>
 #include <asm/pmc.h>
 #include <asm/cputable.h>
+#include <asm/oprofile_impl.h>
 
-#include "op_impl.h"
-
-extern struct op_ppc64_model op_model_rs64;
-extern struct op_ppc64_model op_model_power4;
 static struct op_ppc64_model *model;
 
 static struct op_counter_config ctr[OP_MAX_COUNTER];
diff --git a/arch/ppc64/oprofile/op_impl.h b/arch/ppc64/oprofile/op_impl.h
deleted file mode 100644
index 7fa7eaa..0000000
--- a/arch/ppc64/oprofile/op_impl.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * Based on alpha version.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifndef OP_IMPL_H
-#define OP_IMPL_H 1
-
-#define OP_MAX_COUNTER 8
-
-/* Per-counter configuration as set via oprofilefs.  */
-struct op_counter_config {
-	unsigned long valid;
-	unsigned long enabled;
-	unsigned long event;
-	unsigned long count;
-	unsigned long kernel;
-	/* We dont support per counter user/kernel selection */
-	unsigned long user;
-	unsigned long unit_mask;
-};
-
-/* System-wide configuration as set via oprofilefs.  */
-struct op_system_config {
-	unsigned long mmcr0;
-	unsigned long mmcr1;
-	unsigned long mmcra;
-	unsigned long enable_kernel;
-	unsigned long enable_user;
-	unsigned long backtrace_spinlocks;
-};
-
-/* Per-arch configuration */
-struct op_ppc64_model {
-	void (*reg_setup) (struct op_counter_config *,
-			   struct op_system_config *,
-			   int num_counters);
-	void (*cpu_setup) (void *);
-	void (*start) (struct op_counter_config *);
-	void (*stop) (void);
-	void (*handle_interrupt) (struct pt_regs *,
-				  struct op_counter_config *);
-	int num_counters;
-};
-
-static inline unsigned int ctr_read(unsigned int i)
-{
-	switch(i) {
-	case 0:
-		return mfspr(SPRN_PMC1);
-	case 1:
-		return mfspr(SPRN_PMC2);
-	case 2:
-		return mfspr(SPRN_PMC3);
-	case 3:
-		return mfspr(SPRN_PMC4);
-	case 4:
-		return mfspr(SPRN_PMC5);
-	case 5:
-		return mfspr(SPRN_PMC6);
-	case 6:
-		return mfspr(SPRN_PMC7);
-	case 7:
-		return mfspr(SPRN_PMC8);
-	default:
-		return 0;
-	}
-}
-
-static inline void ctr_write(unsigned int i, unsigned int val)
-{
-	switch(i) {
-	case 0:
-		mtspr(SPRN_PMC1, val);
-		break;
-	case 1:
-		mtspr(SPRN_PMC2, val);
-		break;
-	case 2:
-		mtspr(SPRN_PMC3, val);
-		break;
-	case 3:
-		mtspr(SPRN_PMC4, val);
-		break;
-	case 4:
-		mtspr(SPRN_PMC5, val);
-		break;
-	case 5:
-		mtspr(SPRN_PMC6, val);
-		break;
-	case 6:
-		mtspr(SPRN_PMC7, val);
-		break;
-	case 7:
-		mtspr(SPRN_PMC8, val);
-		break;
-	default:
-		break;
-	}
-}
-
-#endif
diff --git a/arch/ppc64/oprofile/op_model_power4.c b/arch/ppc64/oprofile/op_model_power4.c
index e469610..32b2bb5 100644
--- a/arch/ppc64/oprofile/op_model_power4.c
+++ b/arch/ppc64/oprofile/op_model_power4.c
@@ -16,11 +16,10 @@
 #include <asm/cputable.h>
 #include <asm/systemcfg.h>
 #include <asm/rtas.h>
+#include <asm/oprofile_impl.h>
 
 #define dbg(args...)
 
-#include "op_impl.h"
-
 static unsigned long reset_value[OP_MAX_COUNTER];
 
 static int oprofile_running;
diff --git a/arch/ppc64/oprofile/op_model_rs64.c b/arch/ppc64/oprofile/op_model_rs64.c
index bcec506..08c5b33 100644
--- a/arch/ppc64/oprofile/op_model_rs64.c
+++ b/arch/ppc64/oprofile/op_model_rs64.c
@@ -14,11 +14,10 @@
 #include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/cputable.h>
+#include <asm/oprofile_impl.h>
 
 #define dbg(args...)
 
-#include "op_impl.h"
-
 static void ctrl_write(unsigned int i, unsigned int val)
 {
 	unsigned int tmp = 0;