diff --git a/plat/st/common/stm32mp_common.c b/plat/st/common/stm32mp_common.c
index 2aba41e..f95c788 100644
--- a/plat/st/common/stm32mp_common.c
+++ b/plat/st/common/stm32mp_common.c
@@ -98,17 +98,6 @@
 	return GPIOA_BASE + (bank * GPIO_BANK_OFFSET);
 }
 
-unsigned long stm32_get_gpio_bank_clock(unsigned int bank)
-{
-	if (bank == GPIO_BANK_Z) {
-		return GPIOZ;
-	}
-
-	assert(GPIO_BANK_A == 0 && bank <= GPIO_BANK_K);
-
-	return GPIOA + (bank - GPIO_BANK_A);
-}
-
 uint32_t stm32_get_gpio_bank_offset(unsigned int bank)
 {
 	if (bank == GPIO_BANK_Z) {
diff --git a/plat/st/stm32mp1/stm32mp1_private.c b/plat/st/stm32mp1/stm32mp1_private.c
index 20eb88e..340c7fb 100644
--- a/plat/st/stm32mp1/stm32mp1_private.c
+++ b/plat/st/stm32mp1/stm32mp1_private.c
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <assert.h>
+
 #include <platform_def.h>
 
 #include <lib/xlat_tables/xlat_tables_v2.h>
@@ -53,3 +55,14 @@
 
 	enable_mmu_svc_mon(0);
 }
+
+unsigned long stm32_get_gpio_bank_clock(unsigned int bank)
+{
+	if (bank == GPIO_BANK_Z) {
+		return GPIOZ;
+	}
+
+	assert(GPIO_BANK_A == 0 && bank <= GPIO_BANK_K);
+
+	return GPIOA + (bank - GPIO_BANK_A);
+}