diff --git a/tests/manual/simple_bootloader/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay b/tests/manual/simple_bootloader/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay
new file mode 100644
index 0000000000..8edfb6476e
--- /dev/null
+++ b/tests/manual/simple_bootloader/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+
+/* Application does not use cpuflpr core. Assign whole RRAM to cpuapp. */
+&cpuapp_rram {
+	reg = < 0x0 DT_SIZE_K(1524) >;
+};
diff --git a/tests/manual/simple_bootloader/sysbuild/mcuboot/prj.conf b/tests/manual/simple_bootloader/sysbuild/mcuboot/prj.conf
index 75d0279299..d64edc2ff5 100644
--- a/tests/manual/simple_bootloader/sysbuild/mcuboot/prj.conf
+++ b/tests/manual/simple_bootloader/sysbuild/mcuboot/prj.conf
@@ -20,6 +20,7 @@ CONFIG_BOOT_MAX_IMG_SECTORS=256
 CONFIG_MINIMAL_LIBC=y
 
 # Bootloader size optimization
+CONFIG_NCS_BOOT_BANNER=n
 CONFIG_CONSOLE=n
 CONFIG_SERIAL=n
 CONFIG_UART_CONSOLE=n
diff --git a/tests/unit_tests/sid_dut_shell/mock/shell_mock.h b/tests/unit_tests/sid_dut_shell/mock/shell_mock.h
index 06ae6e2ce0..7e7c9d1d81 100644
--- a/tests/unit_tests/sid_dut_shell/mock/shell_mock.h
+++ b/tests/unit_tests/sid_dut_shell/mock/shell_mock.h
@@ -9,5 +9,5 @@
 
 DEFINE_FFF_GLOBALS;
 
-FAKE_VOID_FUNC_VARARG(shell_fprintf, const struct shell *, enum shell_vt100_color, const char *,
-		      ...);
+FAKE_VOID_FUNC_VARARG(shell_fprintf_impl, const struct shell *, enum shell_vt100_color,
+		      const char *, ...);