diff --git a/variants/wio-tracker-l1/platformio.ini b/variants/wio-tracker-l1/platformio.ini
index fc958ea2..c1fe6c62 100644
--- a/variants/wio-tracker-l1/platformio.ini
+++ b/variants/wio-tracker-l1/platformio.ini
@@ -36,6 +36,8 @@ build_flags =
   -D ADMIN_PASSWORD='"password"'
   -D MAX_NEIGHBOURS=50
   -D DISPLAY_CLASS=SH1106Display
+  -D ENV_PIN_SDA=PIN_WIRE1_SDA
+  -D ENV_PIN_SCL=PIN_WIRE1_SCL
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 lib_deps = ${WioTrackerL1.lib_deps}
@@ -50,6 +52,8 @@ build_flags = ${WioTrackerL1.build_flags}
   -D ADMIN_PASSWORD='"password"'
   -D ROOM_PASSWORD='"hello"'
   -D DISPLAY_CLASS=SH1106Display
+  -D ENV_PIN_SDA=PIN_WIRE1_SDA
+  -D ENV_PIN_SCL=PIN_WIRE1_SCL
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 lib_deps = ${WioTrackerL1.lib_deps}
@@ -68,7 +72,6 @@ build_flags = ${WioTrackerL1.build_flags}
   -D OFFLINE_QUEUE_SIZE=256
   -D PIN_BUZZER=12
   -D QSPIFLASH=1
-  -D ENABLE_USB_INTERFACE
 ; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
 ; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
 build_src_filter = ${WioTrackerL1.build_src_filter}