diff --git a/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp b/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
index 28076fefdcb9ff..1366e1189ab53c 100644
--- a/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
+++ b/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
@@ -31,9 +31,7 @@
 #include <drivers/hwinfo.h>
 #include <sys/util.h>
 
-#if CHIP_DEVICE_LAYER_TARGET_NRFCONNECT
-#include <platform/nrfconnect/Reboot.h>
-#elif defined(CONFIG_MCUBOOT_IMG_MANAGER)
+#ifdef CONFIG_MCUBOOT_IMG_MANAGER
 #include <dfu/mcuboot.h>
 #endif
 
@@ -90,12 +88,7 @@ BootReasonType DetermineBootReason()
 
     if (reason & RESET_SOFTWARE)
     {
-#if CHIP_DEVICE_LAYER_TARGET_NRFCONNECT
-        if (GetSoftwareRebootReason() == SoftwareRebootReason::kSoftwareUpdate)
-        {
-            return BootReasonType::kSoftwareUpdateCompleted;
-        }
-#elif defined(CONFIG_MCUBOOT_IMG_MANAGER)
+#ifdef CONFIG_MCUBOOT_IMG_MANAGER
         if (mcuboot_swap_type() == BOOT_SWAP_TYPE_REVERT)
         {
             return BootReasonType::kSoftwareUpdateCompleted;
diff --git a/src/platform/nrfconnect/BUILD.gn b/src/platform/nrfconnect/BUILD.gn
index 2248cfab07dfe2..0bb0babe605f94 100644
--- a/src/platform/nrfconnect/BUILD.gn
+++ b/src/platform/nrfconnect/BUILD.gn
@@ -50,8 +50,6 @@ static_library("nrfconnect") {
     "InetPlatformConfig.h",
     "KeyValueStoreManagerImpl.h",
     "PlatformManagerImpl.h",
-    "Reboot.cpp",
-    "Reboot.h",
     "SystemPlatformConfig.h",
   ]
 
diff --git a/src/platform/nrfconnect/OTAImageProcessorImpl.cpp b/src/platform/nrfconnect/OTAImageProcessorImpl.cpp
index cacc5b1fbfd443..cfc4f7ec01517b 100644
--- a/src/platform/nrfconnect/OTAImageProcessorImpl.cpp
+++ b/src/platform/nrfconnect/OTAImageProcessorImpl.cpp
@@ -17,8 +17,6 @@
 
 #include "OTAImageProcessorImpl.h"
 
-#include "Reboot.h"
-
 #include <app/clusters/ota-requestor/OTADownloader.h>
 #include <app/clusters/ota-requestor/OTARequestorInterface.h>
 #include <lib/support/CodeUtils.h>
@@ -37,6 +35,7 @@
 #include <dfu/mcuboot.h>
 #include <logging/log.h>
 #include <pm/device.h>
+#include <sys/reboot.h>
 
 #if CONFIG_CHIP_CERTIFICATION_DECLARATION_STORAGE
 // Cd globals are needed to be accessed from dfu image writer lambdas
@@ -124,7 +123,7 @@ CHIP_ERROR OTAImageProcessorImpl::Apply()
             [](System::Layer *, void * /* context */) {
                 PlatformMgr().HandleServerShuttingDown();
                 k_msleep(CHIP_DEVICE_CONFIG_SERVER_SHUTDOWN_ACTIONS_SLEEP_MS);
-                Reboot(SoftwareRebootReason::kSoftwareUpdate);
+                sys_reboot(SYS_REBOOT_WARM);
             },
             nullptr /* context */);
     }
diff --git a/src/platform/nrfconnect/Reboot.cpp b/src/platform/nrfconnect/Reboot.cpp
deleted file mode 100644
index 5b1b6abdde68ad..00000000000000
--- a/src/platform/nrfconnect/Reboot.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- *
- *    Copyright (c) 2022 Project CHIP Authors
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- */
-
-#include "Reboot.h"
-
-#include <lib/support/TypeTraits.h>
-
-#include <zephyr/sys/reboot.h>
-
-#ifndef CONFIG_ARCH_POSIX
-#include <hal/nrf_power.h>
-#endif
-
-namespace chip {
-namespace DeviceLayer {
-
-#ifdef CONFIG_ARCH_POSIX
-
-void Reboot(SoftwareRebootReason reason)
-{
-    sys_reboot(SYS_REBOOT_WARM);
-}
-
-SoftwareRebootReason GetSoftwareRebootReason()
-{
-    return SoftwareRebootReason::kOther;
-}
-
-#else
-
-using RetainedReason = decltype(nrf_power_gpregret_get(NRF_POWER));
-
-constexpr RetainedReason EncodeReason(SoftwareRebootReason reason)
-{
-    // Set MSB to avoid collission with Zephyr's pre-defined reboot reasons.
-    constexpr RetainedReason kCustomReasonFlag = 0x80;
-
-    return static_cast<RetainedReason>(reason) | kCustomReasonFlag;
-}
-
-void Reboot(SoftwareRebootReason reason)
-{
-    const RetainedReason retainedReason = EncodeReason(reason);
-
-    // The parameter passed to sys_reboot() is retained in GPREGRET (general-purpose
-    // retention register) on nRF52 SOC family, but nRF53 ignores the parameter, so
-    // set it manually.
-
-#ifdef CONFIG_SOC_SERIES_NRF53X
-    nrf_power_gpregret_set(NRF_POWER, retainedReason);
-#endif
-
-    sys_reboot(retainedReason);
-}
-
-SoftwareRebootReason GetSoftwareRebootReason()
-{
-    switch (nrf_power_gpregret_get(NRF_POWER))
-    {
-    case EncodeReason(SoftwareRebootReason::kSoftwareUpdate):
-        nrf_power_gpregret_set(NRF_POWER, 0);
-        return SoftwareRebootReason::kSoftwareUpdate;
-    default:
-        return SoftwareRebootReason::kOther;
-    }
-}
-
-#endif
-
-} // namespace DeviceLayer
-} // namespace chip
diff --git a/src/platform/nrfconnect/Reboot.h b/src/platform/nrfconnect/Reboot.h
deleted file mode 100644
index 09f5493ebf17ad..00000000000000
--- a/src/platform/nrfconnect/Reboot.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *
- *    Copyright (c) 2022 Project CHIP Authors
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- */
-
-#pragma once
-
-#include <cstdint>
-
-namespace chip {
-namespace DeviceLayer {
-
-enum class SoftwareRebootReason : uint8_t
-{
-    kSoftwareUpdate,
-    kOther
-};
-
-[[noreturn]] void Reboot(SoftwareRebootReason reason);
-SoftwareRebootReason GetSoftwareRebootReason();
-
-} // namespace DeviceLayer
-} // namespace chip