diff --git a/platformio.ini b/platformio.ini
index 2e72c602..298d0cc1 100755
--- a/platformio.ini
+++ b/platformio.ini
@@ -79,7 +79,7 @@ platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.
 framework = arduino
 board = esp32-c3-devkitm-1
 board_build.mcu = esp32c3
-build_flags = ${common.build_flags} -DFRAMEWORK_ARDUINO_C3
+build_flags = ${common.build_flags}
 lib_ldf_mode = off
 lib_compat_mode = off
 lib_deps = ${esp32.lib_deps}