diff --git a/plat/hisilicon/poplar/plat_topology.c b/plat/hisilicon/poplar/plat_topology.c
index 3dd818e..bb53c6b 100644
--- a/plat/hisilicon/poplar/plat_topology.c
+++ b/plat/hisilicon/poplar/plat_topology.c
@@ -1,13 +1,13 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <arch.h>
-#include <plat_arm.h>
 #include <psci.h>
 #include "platform_def.h"
+#include "plat_private.h"
 
 const unsigned char hisi_power_domain_tree_desc[] = {
 	PLATFORM_CLUSTER_COUNT,
@@ -27,5 +27,5 @@
 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT)
 		return -1;
 
-	return plat_arm_calc_core_pos(mpidr);
+	return poplar_calc_core_pos(mpidr);
 }