diff --git a/boot/zephyr/boards/nrf54l15dk_nrf54l05_cpuapp.conf b/boot/zephyr/boards/nrf54l15dk_nrf54l05_cpuapp.conf
new file mode 100644
index 000000000..1b7a3616d
--- /dev/null
+++ b/boot/zephyr/boards/nrf54l15dk_nrf54l05_cpuapp.conf
@@ -0,0 +1,12 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+CONFIG_BOOT_MAX_IMG_SECTORS=256
+
+# Ensure that the SPI NOR driver is disabled by default
+CONFIG_SPI_NOR=n
+
+CONFIG_FPROTECT=y
+
+CONFIG_BOOT_WATCHDOG_FEED=n
diff --git a/boot/zephyr/boards/nrf54l15dk_nrf54l10_cpuapp.conf b/boot/zephyr/boards/nrf54l15dk_nrf54l10_cpuapp.conf
new file mode 100644
index 000000000..1b7a3616d
--- /dev/null
+++ b/boot/zephyr/boards/nrf54l15dk_nrf54l10_cpuapp.conf
@@ -0,0 +1,12 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+CONFIG_BOOT_MAX_IMG_SECTORS=256
+
+# Ensure that the SPI NOR driver is disabled by default
+CONFIG_SPI_NOR=n
+
+CONFIG_FPROTECT=y
+
+CONFIG_BOOT_WATCHDOG_FEED=n