diff --git a/variants/xiao_s3_wio/platformio.ini b/variants/xiao_s3_wio/platformio.ini
index 293a13c1..9d4372d0 100644
--- a/variants/xiao_s3_wio/platformio.ini
+++ b/variants/xiao_s3_wio/platformio.ini
@@ -8,6 +8,7 @@ build_flags = ${esp32_base.build_flags}
   -I variants/xiao_s3_wio
   -UENV_INCLUDE_GPS
   -D SEEED_XIAO_S3
+  -D PIN_VBAT_READ=1   ; D0
   -D P_LORA_DIO_1=39
   -D P_LORA_NSS=41
   -D P_LORA_RESET=42   ; RADIOLIB_NC
@@ -136,7 +137,6 @@ build_flags =
   -D MAX_GROUP_CHANNELS=40
   -D DISPLAY_CLASS=SSD1306Display
   -D OFFLINE_QUEUE_SIZE=256
-  -D ENABLE_USB_INTERFACE
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${Xiao_S3_WIO.build_src_filter}