diff --git a/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.conf b/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.conf
index 12c96ff0f..30594ff39 100644
--- a/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.conf
+++ b/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.conf
@@ -7,3 +7,7 @@
 CONFIG_SPI_NOR=n
 
 CONFIG_BOOT_WATCHDOG_FEED=n
+
+# Power domains forced on by default on boot, no need
+# to manage them in bootloader.
+CONFIG_POWER_DOMAIN=n
diff --git a/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.overlay b/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.overlay
new file mode 100644
index 000000000..d564ed924
--- /dev/null
+++ b/boot/zephyr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.overlay
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&gdpwr {
+	status = "disabled";
+};
+
+&gdpwr_fast_active_0 {
+	status = "disabled";
+};
+
+&gdpwr_fast_active_1 {
+	status = "disabled";
+};
+
+&gdpwr_fast_main {
+	status = "disabled";
+};
+
+&gdpwr_slow_active {
+	status = "disabled";
+};
+
+&gdpwr_slow_main {
+	status = "disabled";
+};
+
+&gpio_pad_group0 {
+	status = "disabled";
+};
+
+&gpio_pad_group1 {
+	status = "disabled";
+};
+
+&gpio_pad_group2 {
+	status = "disabled";
+};
+
+&gpio_pad_group6 {
+	status = "disabled";
+};
+
+&gpio_pad_group7 {
+	status = "disabled";
+};
+
+&gpio_pad_group9 {
+	status = "disabled";
+};