diff --git a/examples/lighting-app/nrfconnect/CMakeLists.txt b/examples/lighting-app/nrfconnect/CMakeLists.txt
index 9dedf16671c460..1931b7c950d2fd 100644
--- a/examples/lighting-app/nrfconnect/CMakeLists.txt
+++ b/examples/lighting-app/nrfconnect/CMakeLists.txt
@@ -40,7 +40,7 @@ if(NOT BUILD_WITH_DFU STREQUAL "OFF")
     if(BUILD_WITH_DFU STREQUAL "BLE")
         if(BOARD STREQUAL "nrf5340dk_nrf5340_cpuapp")
             list(INSERT OVERLAY_CONFIG 0 ${CHIP_ROOT}/config/nrfconnect/app/overlay-multi_image_smp_dfu_support.conf)
-        elseif(BOARD STREQUAL "nrf52840dk_nrf52840")
+        else()
             list(INSERT OVERLAY_CONFIG 0 ${CHIP_ROOT}/config/nrfconnect/app/overlay-single_image_smp_dfu_support.conf)
         endif()
     elseif(NOT BUILD_WITH_DFU STREQUAL "MATTER")
@@ -54,10 +54,8 @@ if(NOT BUILD_WITH_DFU STREQUAL "OFF")
     if(BOARD STREQUAL "nrf5340dk_nrf5340_cpuapp")
         # DFU over Matter doesn't support multi-image update yet, but using this configs should not harm it anyway.
         set(mcuboot_OVERLAY_CONFIG ${CMAKE_CURRENT_SOURCE_DIR}/configuration/mcuboot_multi_image_dfu.conf CACHE INTERNAL "")
-    elseif(BOARD STREQUAL "nrf52840dk_nrf52840")
-        set(mcuboot_OVERLAY_CONFIG ${CMAKE_CURRENT_SOURCE_DIR}/configuration/mcuboot_single_image_dfu.conf CACHE INTERNAL "")
     else()
-        message(FATAL_ERROR "Selected board ${BOARD} does not support DFU feature.")
+        set(mcuboot_OVERLAY_CONFIG ${CMAKE_CURRENT_SOURCE_DIR}/configuration/mcuboot_single_image_dfu.conf CACHE INTERNAL "")
     endif()
     
     set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_SOURCE_DIR}/configuration/${BOARD}/pm_static.yml)