diff --git a/platformio.ini b/platformio.ini
index f8b65988..81d2d147 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -345,6 +345,7 @@ board_build.filesystem = littlefs
 build_flags =
     ${common:esp32_env.build_flags}
     ${display:led_matrix.build_flags}
+    -DLED_BUILTIN=IoPin::NC
 lib_deps =
     ${common:esp32_env.lib_deps_builtin}
     ${common:esp32_env.lib_deps_external}