diff --git a/arch/arm/core/fault.c b/arch/arm/core/fault.c
index 9dab730296f..7969d816ac6 100644
--- a/arch/arm/core/fault.c
+++ b/arch/arm/core/fault.c
@@ -239,6 +239,8 @@ static void _UsageFault(const NANO_ESF *esf)
  */
 static void _DebugMonitor(const NANO_ESF *esf)
 {
+	ARG_UNUSED(esf);
+
 	PR_EXC("***** Debug monitor exception (not implemented) *****\n");
 }
 
@@ -284,6 +286,8 @@ static void _HardFault(const NANO_ESF *esf)
  */
 static void _ReservedException(const NANO_ESF *esf, int fault)
 {
+	ARG_UNUSED(esf);
+
 	PR_EXC("***** %s %d) *****\n",
 	       fault < 16 ? "Reserved Exception (" : "Spurious interrupt (IRQ ",
 	       fault - 16);
diff --git a/arch/arm/soc/st_stm32/stm32f1/soc_gpio.c b/arch/arm/soc/st_stm32/stm32f1/soc_gpio.c
index c9e461e8ac2..37acf4bc7ec 100644
--- a/arch/arm/soc/st_stm32/stm32f1/soc_gpio.c
+++ b/arch/arm/soc/st_stm32/stm32f1/soc_gpio.c
@@ -119,6 +119,8 @@ int stm32_gpio_configure(uint32_t *base_addr, int pin, int conf, int altf)
 	 */
 	volatile uint32_t *reg = &gpio->crl;
 
+	ARG_UNUSED(altf);
+
 	if (crpin > 7) {
 		reg = &gpio->crh;
 		crpin -= 8;