diff --git a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
index 1ad3bda2f5b2..18292d94ceca 100644
--- a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
+++ b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
@@ -20,3 +20,11 @@
 &usbhs {
     status = "disabled";
 };
+
+&cpusec_cpuapp_ipc {
+    status = "disabled";
+};
+
+&cpusec_bellboard {
+    status = "disabled";
+};
diff --git a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpurad.overlay b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpurad.overlay
new file mode 100644
index 000000000000..795c4fc19128
--- /dev/null
+++ b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpurad.overlay
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpusec_cpurad_ipc {
+    status = "disabled";
+};
+
+&cpusec_bellboard {
+    status = "disabled";
+};