diff --git a/variants/esp32/heltec_v2.1/platformio.ini b/variants/esp32/heltec_v2.1/platformio.ini
index 1f7caa16f..9fcb2388a 100644
--- a/variants/esp32/heltec_v2.1/platformio.ini
+++ b/variants/esp32/heltec_v2.1/platformio.ini
@@ -14,3 +14,4 @@ build_flags =
   ${esp32_base.build_flags}
   -D HELTEC_V2_1
   -I variants/esp32/heltec_v2.1
+  -ULED_BUILTIN
diff --git a/variants/esp32/heltec_v2/platformio.ini b/variants/esp32/heltec_v2/platformio.ini
index 5f15fb321..fc9e05115 100644
--- a/variants/esp32/heltec_v2/platformio.ini
+++ b/variants/esp32/heltec_v2/platformio.ini
@@ -14,3 +14,4 @@ build_flags =
   ${esp32_base.build_flags}
   -D HELTEC_V2_0
   -I variants/esp32/heltec_v2
+  -ULED_BUILTIN