diff --git a/plat/common/aarch64/plat_common.c b/plat/common/aarch64/plat_common.c
index 409ae55..5f2972c 100644
--- a/plat/common/aarch64/plat_common.c
+++ b/plat/common/aarch64/plat_common.c
@@ -18,8 +18,6 @@
  * provide typical implementations that may be re-used by multiple
  * platforms but may also be overridden by a platform if required.
  */
-#pragma weak bl31_plat_enable_mmu
-#pragma weak bl32_plat_enable_mmu
 #pragma weak bl31_plat_runtime_setup
 #if !ERROR_DEPRECATED
 #pragma weak plat_get_syscnt_freq2
@@ -33,16 +31,6 @@
 
 #pragma weak plat_ea_handler
 
-void bl31_plat_enable_mmu(uint32_t flags)
-{
-	enable_mmu_el3(flags);
-}
-
-void bl32_plat_enable_mmu(uint32_t flags)
-{
-	enable_mmu_el1(flags);
-}
-
 void bl31_plat_runtime_setup(void)
 {
 #if MULTI_CONSOLE_API
diff --git a/plat/common/aarch64/platform_helpers.S b/plat/common/aarch64/platform_helpers.S
index 033a12f..a413f5f 100644
--- a/plat/common/aarch64/platform_helpers.S
+++ b/plat/common/aarch64/platform_helpers.S
@@ -17,6 +17,8 @@
 	.weak	plat_disable_acp
 	.weak	bl1_plat_prepare_exit
 	.weak	plat_panic_handler
+	.weak	bl31_plat_enable_mmu
+	.weak	bl32_plat_enable_mmu
 
 #if !ENABLE_PLAT_COMPAT
 	.globl	platform_get_core_pos
@@ -164,3 +166,23 @@
 	wfi
 	b	plat_panic_handler
 endfunc plat_panic_handler
+
+	/* -----------------------------------------------------
+	 * void bl31_plat_enable_mmu(uint32_t flags);
+	 *
+	 * Enable MMU in BL31.
+	 * -----------------------------------------------------
+	 */
+func bl31_plat_enable_mmu
+	b	enable_mmu_direct_el3
+endfunc bl31_plat_enable_mmu
+
+	/* -----------------------------------------------------
+	 * void bl32_plat_enable_mmu(uint32_t flags);
+	 *
+	 * Enable MMU in BL32.
+	 * -----------------------------------------------------
+	 */
+func bl32_plat_enable_mmu
+	b	enable_mmu_direct_el1
+endfunc bl32_plat_enable_mmu