diff --git a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.conf b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.conf
index a18a3b576e3..2b2e0ddd88d 100644
--- a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.conf
+++ b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.conf
@@ -1 +1,2 @@
 CONFIG_SSF_CLIENT_SYS_INIT=n
+CONFIG_POWER_DOMAIN=n
diff --git a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
index d1566b5aa63..204c932b102 100644
--- a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
+++ b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -11,3 +11,52 @@
 &cpusec_bellboard{
 	status = "disabled";
 };
+
+
+&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";
+};
diff --git a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.conf b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.conf
index a18a3b576e3..2b2e0ddd88d 100644
--- a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.conf
+++ b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.conf
@@ -1 +1,2 @@
 CONFIG_SSF_CLIENT_SYS_INIT=n
+CONFIG_POWER_DOMAIN=n
diff --git a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.overlay b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.overlay
index 04c22168b6c..03860311d1e 100644
--- a/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.overlay
+++ b/tests/arch/arm/arm_irq_vector_table/boards/nrf54h20dk_nrf54h20_cpurad.overlay
@@ -11,3 +11,51 @@
 &cpusec_bellboard{
 	status = "disabled";
 };
+
+&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";
+};
diff --git a/tests/drivers/spi/spi_controller_peripheral/boards/nrf54h20dk_nrf54h20_cpurad.overlay b/tests/drivers/spi/spi_controller_peripheral/boards/nrf54h20dk_nrf54h20_cpurad.overlay
index 84edfb2b6f1..9db6ced88d7 100644
--- a/tests/drivers/spi/spi_controller_peripheral/boards/nrf54h20dk_nrf54h20_cpurad.overlay
+++ b/tests/drivers/spi/spi_controller_peripheral/boards/nrf54h20dk_nrf54h20_cpurad.overlay
@@ -12,3 +12,7 @@
 &dut_spis {
 	memory-regions = <&cpurad_dma_region>;
 };
+
+&uart135 {
+	zephyr,pm-device-runtime-auto;
+};