diff --git a/arch/arm/soc/st_stm32/stm32f3/soc.h b/arch/arm/soc/st_stm32/stm32f3/soc.h
index 33bd83a4758250..9300067507c93d 100644
--- a/arch/arm/soc/st_stm32/stm32f3/soc.h
+++ b/arch/arm/soc/st_stm32/stm32f3/soc.h
@@ -31,21 +31,6 @@
 
 #include <stm32f3xx.h>
 
-/* IO pin functions */
-enum stm32f3x_pin_config_mode {
-	STM32F3X_PIN_CONFIG_BIAS_HIGH_IMPEDANCE = 0,
-	STM32F3X_PIN_CONFIG_BIAS_PULL_UP,
-	STM32F3X_PIN_CONFIG_BIAS_PULL_DOWN,
-	STM32F3X_PIN_CONFIG_ANALOG,
-	STM32F3X_PIN_CONFIG_DRIVE_OPEN_DRAIN,
-	STM32F3X_PIN_CONFIG_DRIVE_PUSH_PULL,
-	STM32F3X_PIN_CONFIG_DRIVE_OPEN_DRAIN_PU,
-	STM32F3X_PIN_CONFIG_DRIVE_OPEN_DRAIN_PD,
-	STM32F3X_PIN_CONFIG_DRIVE_PUSH_PULL_PU,
-	STM32F3X_PIN_CONFIG_DRIVE_PUSH_PULL_PD,
-	STM32F3X_PIN_CONFIG_AF,
-};
-
 #include "soc_irq.h"
 
 #ifdef CONFIG_SERIAL_HAS_DRIVER
diff --git a/arch/arm/soc/st_stm32/stm32f4/soc.h b/arch/arm/soc/st_stm32/stm32f4/soc.h
index 1c99fda1428e7e..7fb5a05a3dfa6b 100644
--- a/arch/arm/soc/st_stm32/stm32f4/soc.h
+++ b/arch/arm/soc/st_stm32/stm32f4/soc.h
@@ -30,26 +30,6 @@
 
 #include <stm32f4xx.h>
 
-/* IO pin functions */
-enum stm32f4x_pin_config_mode {
-	STM32F4X_PIN_CONFIG_DRIVE_PUSH_PULL,
-	STM32F4X_PIN_CONFIG_DRIVE_PUSH_UP,
-	STM32F4X_PIN_CONFIG_DRIVE_PUSH_DOWN,
-	STM32F4X_PIN_CONFIG_DRIVE_OPEN_DRAIN,
-	STM32F4X_PIN_CONFIG_DRIVE_OPEN_UP,
-	STM32F4X_PIN_CONFIG_DRIVE_OPEN_DOWN,
-	STM32F4X_PIN_CONFIG_AF_PUSH_PULL,
-	STM32F4X_PIN_CONFIG_AF_PUSH_UP,
-	STM32F4X_PIN_CONFIG_AF_PUSH_DOWN,
-	STM32F4X_PIN_CONFIG_AF_OPEN_DRAIN,
-	STM32F4X_PIN_CONFIG_AF_OPEN_UP,
-	STM32F4X_PIN_CONFIG_AF_OPEN_DOWN,
-	STM32F4X_PIN_CONFIG_BIAS_HIGH_IMPEDANCE,
-	STM32F4X_PIN_CONFIG_BIAS_PULL_UP,
-	STM32F4X_PIN_CONFIG_BIAS_PULL_DOWN,
-	STM32F4X_PIN_CONFIG_ANALOG,
-};
-
 #include "soc_irq.h"
 
 #ifdef CONFIG_CLOCK_CONTROL_STM32_CUBE