diff --git a/boards/nordic/nrf54l20pdk/nrf54l20_cpuapp_common.dtsi b/boards/nordic/nrf54l20pdk/nrf54l20_cpuapp_common.dtsi
deleted file mode 100644
index f719b2d9392..00000000000
--- a/boards/nordic/nrf54l20pdk/nrf54l20_cpuapp_common.dtsi
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (c) 2024 Nordic Semiconductor ASA
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/* This file is common to the secure and non-secure domain */
-
-#include <nordic/nrf54l20_enga_cpuapp.dtsi>
-#include "nrf54l20pdk_nrf54l20-common.dtsi"
-
-/ {
-	chosen {
-		zephyr,console = &uart20;
-		zephyr,shell-uart = &uart20;
-		zephyr,uart-mcumgr = &uart20;
-		zephyr,bt-mon-uart = &uart20;
-		zephyr,bt-c2h-uart = &uart20;
-		zephyr,flash-controller = &rram_controller;
-		zephyr,flash = &cpuapp_rram;
-		zephyr,bt-hci = &bt_hci_sdc;
-		zephyr,ieee802154 = &ieee802154;
-	};
-};
-
-&cpuapp_sram {
-	status = "okay";
-};
-
-&lfxo {
-	load-capacitors = "internal";
-	load-capacitance-femtofarad = <15500>;
-};
-
-&hfxo {
-	load-capacitors = "internal";
-	load-capacitance-femtofarad = <15000>;
-};
-
-&grtc {
-	owned-channels = <0 1 2 3 4 5 6 7 8 9 10 11>;
-	/* Channels 7-11 reserved for Zero Latency IRQs, 3-4 for FLPR */
-	child-owned-channels = <3 4 7 8 9 10 11>;
-	status = "okay";
-};
-
-&cpuapp_rram {
-	partitions {
-		compatible = "fixed-partitions";
-		#address-cells = <1>;
-		#size-cells = <1>;
-
-		boot_partition: partition@0 {
-			label = "mcuboot";
-			reg = <0x0 DT_SIZE_K(64)>;
-		};
-
-		slot0_partition: partition@10000 {
-			label = "image-0";
-			reg = <0x10000 DT_SIZE_K(449)>;
-		};
-
-		slot0_ns_partition: partition@80400 {
-			label = "image-0-nonsecure";
-			reg = <0x80400 DT_SIZE_K(449)>;
-		};
-
-		slot1_partition: partition@f0800 {
-			label = "image-1";
-			reg = <0xf0800 DT_SIZE_K(449)>;
-		};
-
-		slot1_ns_partition: partition@160c00 {
-			label = "image-1-nonsecure";
-			reg = <0x160c00 DT_SIZE_K(449)>;
-		};
-
-		storage_partition: partition@1d1000 {
-			label = "storage";
-			reg = <0x1d1000 DT_SIZE_K(36)>;
-		};
-	};
-};
-
-&uart20 {
-	status = "okay";
-};
-
-&nfct {
-	status = "okay";
-};
-
-&gpio0 {
-	status = "okay";
-};
-
-&gpio1 {
-	status = "okay";
-};
-
-&gpio2 {
-	status = "okay";
-};
-
-&gpiote20 {
-	status = "okay";
-};
-
-&gpiote30 {
-	status = "okay";
-};
-
-&radio {
-	status = "okay";
-};
-
-&temp {
-	status = "okay";
-};
-
-&clock {
-	status = "okay";
-};
-
-&bt_hci_sdc {
-	status = "okay";
-};
-
-&ieee802154 {
-	status = "okay";
-};