diff --git a/plat/arm/common/arm_common.c b/plat/arm/common/arm_common.c
index 6b14785..49f0074 100644
--- a/plat/arm/common/arm_common.c
+++ b/plat/arm/common/arm_common.c
@@ -63,7 +63,7 @@
 	uint32_t spsr;
 
 	/* Figure out what mode we enter the non-secure world in */
-	mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
 
 	/*
 	 * TODO: Consider the possibility of specifying the SPSR in
diff --git a/plat/arm/common/execution_state_switch.c b/plat/arm/common/execution_state_switch.c
index b12d82c..8fa864d 100644
--- a/plat/arm/common/execution_state_switch.c
+++ b/plat/arm/common/execution_state_switch.c
@@ -117,7 +117,7 @@
 		 * Switching from AArch64 to AArch32. Ensure this CPU implements
 		 * the target EL in AArch32.
 		 */
-		impl = from_el2 ? EL_IMPLEMENTED(2) : EL_IMPLEMENTED(1);
+		impl = from_el2 ? el_implemented(2) : el_implemented(1);
 		if (impl != EL_IMPL_A64_A32)
 			goto exec_denied;
 
diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index aad350b..1d7da00 100644
--- a/plat/hisilicon/hikey/hikey_bl2_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl2_setup.c
@@ -99,7 +99,7 @@
 	uint32_t spsr;
 
 	/* Figure out what mode we enter the non-secure world in */
-	mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
 
 	/*
 	 * TODO: Consider the possibility of specifying the SPSR in
diff --git a/plat/hisilicon/hikey960/hikey960_bl2_setup.c b/plat/hisilicon/hikey960/hikey960_bl2_setup.c
index f57dd63..0e79e0a 100644
--- a/plat/hisilicon/hikey960/hikey960_bl2_setup.c
+++ b/plat/hisilicon/hikey960/hikey960_bl2_setup.c
@@ -191,7 +191,7 @@
 	uint32_t spsr;
 
 	/* Figure out what mode we enter the non-secure world in */
-	mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
 
 	/*
 	 * TODO: Consider the possibility of specifying the SPSR in
diff --git a/plat/layerscape/common/ls_common.c b/plat/layerscape/common/ls_common.c
index abf6525..afd5927 100644
--- a/plat/layerscape/common/ls_common.c
+++ b/plat/layerscape/common/ls_common.c
@@ -147,7 +147,7 @@
 	uint32_t spsr;
 
 	/* Figure out what mode we enter the non-secure world in */
-	mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
 
 	/*
 	 * TODO: Consider the possibility of specifying the SPSR in
diff --git a/plat/mediatek/mt6795/bl31_plat_setup.c b/plat/mediatek/mt6795/bl31_plat_setup.c
index 96a0bd8..8df7dad 100644
--- a/plat/mediatek/mt6795/bl31_plat_setup.c
+++ b/plat/mediatek/mt6795/bl31_plat_setup.c
@@ -339,7 +339,7 @@
 	next_image_info = &bl33_image_ep_info;
 
 	/* Figure out what mode we enter the non-secure world in */
-	if (EL_IMPLEMENTED(2)) {
+	if (el_implemented(2) != EL_IMPL_NONE) {
 		INFO("Kernel_EL2\n");
 		mode = MODE_EL2;
 	} else{
diff --git a/plat/qemu/qemu_bl2_setup.c b/plat/qemu/qemu_bl2_setup.c
index d76621d..b3c3960 100644
--- a/plat/qemu/qemu_bl2_setup.c
+++ b/plat/qemu/qemu_bl2_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -118,7 +118,7 @@
 	unsigned int mode;
 
 	/* Figure out what mode we enter the non-secure world in */
-	mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
+	mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
 
 	/*
 	 * TODO: Consider the possibility of specifying the SPSR in