diff --git a/soc/arm/silabs_exx32/common/CMakeLists.txt b/soc/arm/silabs_exx32/common/CMakeLists.txt
index 4faeb491893..0436151c4cb 100644
--- a/soc/arm/silabs_exx32/common/CMakeLists.txt
+++ b/soc/arm/silabs_exx32/common/CMakeLists.txt
@@ -3,5 +3,3 @@
 zephyr_sources(soc.c soc_gpio.c)
 
 zephyr_sources_ifdef(CONFIG_SYS_POWER_MANAGEMENT soc_power.c)
-
-zephyr_sources_ifdef(CONFIG_ARM_MPU arm_mpu_regions.c)
diff --git a/soc/arm/silabs_exx32/common/arm_mpu_mem_cfg.h b/soc/arm/silabs_exx32/common/arm_mpu_mem_cfg.h
deleted file mode 100644
index 67d78723716..00000000000
--- a/soc/arm/silabs_exx32/common/arm_mpu_mem_cfg.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (c) 2017 Linaro Limited.
- * Copyright (c) 2019 Christian Taedcke <hacking@taedcke.com>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#ifndef _ARM_MPU_MEM_CFG_H_
-#define _ARM_MPU_MEM_CFG_H_
-
-#include <soc.h>
-#include <arch/arm/cortex_m/mpu/arm_mpu.h>
-
-/* Flash Region Definitions */
-#if CONFIG_FLASH_SIZE == 64
-#define REGION_FLASH_SIZE REGION_64K
-#elif CONFIG_FLASH_SIZE == 128
-#define REGION_FLASH_SIZE REGION_128K
-#elif CONFIG_FLASH_SIZE == 256
-#define REGION_FLASH_SIZE REGION_256K
-#elif CONFIG_FLASH_SIZE == 512
-#define REGION_FLASH_SIZE REGION_512K
-#elif CONFIG_FLASH_SIZE == 1024
-#define REGION_FLASH_SIZE REGION_1M
-#elif CONFIG_FLASH_SIZE == 2048
-#define REGION_FLASH_SIZE REGION_2M
-#else
-#error "Unsupported configuration"
-#endif
-
-/* SRAM Region Definitions */
-#if CONFIG_SRAM_SIZE == 16
-#define REGION_SRAM_0_SIZE REGION_16K
-#elif CONFIG_SRAM_SIZE == 32
-#define REGION_SRAM_0_SIZE REGION_32K
-#elif CONFIG_SRAM_SIZE == 64
-#define REGION_SRAM_0_SIZE REGION_64K
-#elif CONFIG_SRAM_SIZE == 128
-#define REGION_SRAM_0_SIZE REGION_128K
-#elif CONFIG_SRAM_SIZE == 192
-#define REGION_SRAM_0_SIZE REGION_128K
-#define REGION_SRAM_1_START 0x20000
-#define REGION_SRAM_1_SIZE REGION_64K
-#elif CONFIG_SRAM_SIZE == 256
-#define REGION_SRAM_0_SIZE REGION_256K
-#elif CONFIG_SRAM_SIZE == 384
-#define REGION_SRAM_0_SIZE REGION_256K
-#define REGION_SRAM_1_START 0x40000
-#define REGION_SRAM_1_SIZE REGION_128K
-#elif CONFIG_SRAM_SIZE == 512
-#define REGION_SRAM_0_SIZE REGION_512K
-#else
-#error "Unsupported configuration"
-#endif
-
-#endif /* _ARM_MPU_MEM_CFG_H_ */
diff --git a/soc/arm/silabs_exx32/common/arm_mpu_regions.c b/soc/arm/silabs_exx32/common/arm_mpu_regions.c
deleted file mode 100644
index da9d998f396..00000000000
--- a/soc/arm/silabs_exx32/common/arm_mpu_regions.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2017 Linaro Limited.
- * Copyright (c) 2019 Christian Taedcke <hacking@taedcke.com>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include <soc.h>
-#include <arch/arm/cortex_m/mpu/arm_mpu.h>
-
-#include "arm_mpu_mem_cfg.h"
-
-static const struct arm_mpu_region mpu_regions[] = {
-	/* Region 0 */
-	MPU_REGION_ENTRY("FLASH_0",
-			 CONFIG_FLASH_BASE_ADDRESS,
-			 REGION_FLASH_ATTR(REGION_FLASH_SIZE)),
-	/* Region 1 */
-	MPU_REGION_ENTRY("RAM_0",
-			 CONFIG_SRAM_BASE_ADDRESS,
-			 REGION_RAM_ATTR(REGION_SRAM_0_SIZE)),
-	/* Region 2 */
-#ifdef REGION_SRAM_1_SIZE
-	MPU_REGION_ENTRY("RAM_1",
-			 (CONFIG_SRAM_BASE_ADDRESS + REGION_SRAM_1_START),
-			 REGION_RAM_ATTR(REGION_SRAM_1_SIZE)),
-#endif
-};
-
-const struct arm_mpu_config mpu_config = {
-	.num_regions = ARRAY_SIZE(mpu_regions),
-	.mpu_regions = mpu_regions,
-};