diff --git a/config/boards/arm/one42/CMakeLists.txt b/config/boards/arm/one42/CMakeLists.txt
deleted file mode 100644
index 00952c3..0000000
--- a/config/boards/arm/one42/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-set_property(GLOBAL APPEND PROPERTY extra_post_build_commands
-  COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/../tools/uf2/utils/uf2conv.py
-  -c 
-  -b 0x26000
-  -f 0xADA52840
-  -o ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.uf2
-  ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.bin
-)
diff --git a/config/boards/arm/one42/one42_defconfig b/config/boards/arm/one42/one42_defconfig
index d0186d9..acb375c 100644
--- a/config/boards/arm/one42/one42_defconfig
+++ b/config/boards/arm/one42/one42_defconfig
@@ -11,6 +11,7 @@ CONFIG_ARM_MPU=y
 CONFIG_GPIO=y
 
 CONFIG_USE_DT_CODE_PARTITION=y
+CONFIG_BUILD_OUTPUT_UF2=y
 
 CONFIG_MPU_ALLOW_FLASH_WRITE=y
 CONFIG_NVS=y