diff --git a/boards/sim/sim/sim/configs/lvgl_fb/defconfig b/boards/sim/sim/sim/configs/lvgl_fb/defconfig
index cb76cb66bea..89c589c3c98 100644
--- a/boards/sim/sim/sim/configs/lvgl_fb/defconfig
+++ b/boards/sim/sim/sim/configs/lvgl_fb/defconfig
@@ -30,14 +30,13 @@ CONFIG_INIT_ARGS="\"widgets\""
 CONFIG_INIT_ENTRYPOINT="lvgldemo_main"
 CONFIG_INPUT=y
 CONFIG_LV_COLOR_DEPTH_32=y
-CONFIG_LV_COLOR_SCREEN_TRANSP=y
-CONFIG_LV_MEM_CUSTOM=y
-CONFIG_LV_PORT_USE_FBDEV=y
-CONFIG_LV_PORT_USE_TOUCHPAD=y
-CONFIG_LV_TICK_CUSTOM=y
-CONFIG_LV_TICK_CUSTOM_INCLUDE="port/lv_port_tick.h"
+CONFIG_LV_USE_CLIB_MALLOC=y
+CONFIG_LV_USE_CLIB_SPRINTF=y
+CONFIG_LV_USE_CLIB_STRING=y
 CONFIG_LV_USE_DEMO_WIDGETS=y
 CONFIG_LV_USE_LOG=y
+CONFIG_LV_USE_NUTTX=y
+CONFIG_LV_USE_NUTTX_TOUCHSCREEN=y
 CONFIG_MQ_MAXMSGSIZE=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NXFONTS_DISABLE_16BPP=y
diff --git a/boards/sim/sim/sim/configs/lvgl_lcd/defconfig b/boards/sim/sim/sim/configs/lvgl_lcd/defconfig
index 75d50e0880c..f4473002c55 100644
--- a/boards/sim/sim/sim/configs/lvgl_lcd/defconfig
+++ b/boards/sim/sim/sim/configs/lvgl_lcd/defconfig
@@ -31,16 +31,15 @@ CONFIG_INPUT=y
 CONFIG_LCD=y
 CONFIG_LCD_DEV=y
 CONFIG_LV_COLOR_DEPTH_32=y
-CONFIG_LV_COLOR_SCREEN_TRANSP=y
-CONFIG_LV_MEM_CUSTOM=y
-CONFIG_LV_PORT_LCDDEV_DOUBLE_BUFFER=y
-CONFIG_LV_PORT_LCDDEV_FULL_SCREEN_BUFFER=y
-CONFIG_LV_PORT_USE_LCDDEV=y
-CONFIG_LV_PORT_USE_TOUCHPAD=y
-CONFIG_LV_TICK_CUSTOM=y
-CONFIG_LV_TICK_CUSTOM_INCLUDE="port/lv_port_tick.h"
+CONFIG_LV_NUTTX_LCD_DOUBLE_BUFFER=y
+CONFIG_LV_USE_CLIB_MALLOC=y
+CONFIG_LV_USE_CLIB_SPRINTF=y
+CONFIG_LV_USE_CLIB_STRING=y
 CONFIG_LV_USE_DEMO_WIDGETS=y
 CONFIG_LV_USE_LOG=y
+CONFIG_LV_USE_NUTTX=y
+CONFIG_LV_USE_NUTTX_LCD=y
+CONFIG_LV_USE_NUTTX_TOUCHSCREEN=y
 CONFIG_MQ_MAXMSGSIZE=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NXFONTS_DISABLE_16BPP=y