diff --git a/plat/mediatek/mt6795/include/platform_def.h b/plat/mediatek/mt6795/include/platform_def.h
index 301610d..b353a3d 100644
--- a/plat/mediatek/mt6795/include/platform_def.h
+++ b/plat/mediatek/mt6795/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -145,13 +145,13 @@
 #define PLAT_MAX_OFF_STATE	U(2)
 
 #define PLATFORM_CACHE_LINE_SIZE      64
-#define PLATFORM_SYSTEM_COUNT         1
-#define PLATFORM_CLUSTER_COUNT        2
-#define PLATFORM_CLUSTER0_CORE_COUNT  4
-#define PLATFORM_CLUSTER1_CORE_COUNT  4
+#define PLATFORM_SYSTEM_COUNT         U(1)
+#define PLATFORM_CLUSTER_COUNT        U(2)
+#define PLATFORM_CLUSTER0_CORE_COUNT  U(4)
+#define PLATFORM_CLUSTER1_CORE_COUNT  U(4)
 #define PLATFORM_CORE_COUNT   (PLATFORM_CLUSTER1_CORE_COUNT + \
 					PLATFORM_CLUSTER0_CORE_COUNT)
-#define PLATFORM_MAX_CPUS_PER_CLUSTER 4
+#define PLATFORM_MAX_CPUS_PER_CLUSTER U(4)
 #define PLATFORM_NUM_AFFS   (PLATFORM_SYSTEM_COUNT +  \
 					PLATFORM_CLUSTER_COUNT + \
 					PLATFORM_CORE_COUNT)
diff --git a/plat/mediatek/mt8173/include/platform_def.h b/plat/mediatek/mt8173/include/platform_def.h
index 205e263..22129db 100644
--- a/plat/mediatek/mt8173/include/platform_def.h
+++ b/plat/mediatek/mt8173/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -40,13 +40,13 @@
 #define PLAT_MAX_PWR_LVL		U(2)
 #define PLAT_MAX_RET_STATE		U(1)
 #define PLAT_MAX_OFF_STATE		U(2)
-#define PLATFORM_SYSTEM_COUNT		1
-#define PLATFORM_CLUSTER_COUNT		2
-#define PLATFORM_CLUSTER0_CORE_COUNT	4
-#define PLATFORM_CLUSTER1_CORE_COUNT	2
+#define PLATFORM_SYSTEM_COUNT		U(1)
+#define PLATFORM_CLUSTER_COUNT		U(2)
+#define PLATFORM_CLUSTER0_CORE_COUNT	U(4)
+#define PLATFORM_CLUSTER1_CORE_COUNT	U(2)
 #define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER1_CORE_COUNT +	\
 					 PLATFORM_CLUSTER0_CORE_COUNT)
-#define PLATFORM_MAX_CPUS_PER_CLUSTER	4
+#define PLATFORM_MAX_CPUS_PER_CLUSTER	U(4)
 #define PLATFORM_NUM_AFFS		(PLATFORM_SYSTEM_COUNT +	\
 					 PLATFORM_CLUSTER_COUNT +	\
 					 PLATFORM_CORE_COUNT)
diff --git a/plat/mediatek/mt8183/include/platform_def.h b/plat/mediatek/mt8183/include/platform_def.h
index ad81a33..49a0f80 100644
--- a/plat/mediatek/mt8183/include/platform_def.h
+++ b/plat/mediatek/mt8183/include/platform_def.h
@@ -268,13 +268,13 @@
 #define PLAT_MAX_OFF_STATE		U(2)
 
 #define PLATFORM_CACHE_LINE_SIZE        64
-#define PLATFORM_SYSTEM_COUNT           1
-#define PLATFORM_CLUSTER_COUNT          2
-#define PLATFORM_CLUSTER0_CORE_COUNT    4
-#define PLATFORM_CLUSTER1_CORE_COUNT    4
+#define PLATFORM_SYSTEM_COUNT           U(1)
+#define PLATFORM_CLUSTER_COUNT          U(2)
+#define PLATFORM_CLUSTER0_CORE_COUNT    U(4)
+#define PLATFORM_CLUSTER1_CORE_COUNT    U(4)
 #define PLATFORM_CORE_COUNT             (PLATFORM_CLUSTER1_CORE_COUNT + \
 					 PLATFORM_CLUSTER0_CORE_COUNT)
-#define PLATFORM_MAX_CPUS_PER_CLUSTER   4
+#define PLATFORM_MAX_CPUS_PER_CLUSTER   U(4)
 #define PLATFORM_NUM_AFFS               (PLATFORM_SYSTEM_COUNT + \
 					 PLATFORM_CLUSTER_COUNT + \
 					 PLATFORM_CORE_COUNT)