diff --git a/examples/arduino-blink/platformio.ini b/examples/arduino-blink/platformio.ini
index 9fc5ec43b..e2db625cc 100644
--- a/examples/arduino-blink/platformio.ini
+++ b/examples/arduino-blink/platformio.ini
@@ -13,9 +13,10 @@ framework = arduino
 board = esp32-solo1
 build_flags = -DLED_BUILTIN=2
 custom_sdkconfig        = CONFIG_FREERTOS_UNICORE=y
-                          '# CONFIG_BT_ENABLED is not set'
+;                          '# CONFIG_BT_ENABLED is not set'
                           '# CONFIG_ULP_COPROC_ENABLED is not set'
                           '# CONFIG_LWIP_PPP_SUPPORT is not set'
+                          '# CONFIG_ETH_ENABLED is not set'
 custom_component_remove = espressif/esp_hosted
                           espressif/esp_wifi_remote
                           espressif/mdns