diff --git a/esp32_device/main/ethernet.c b/esp32_device/main/ethernet.c
index 5ed7cea..f659f54 100644
--- a/esp32_device/main/ethernet.c
+++ b/esp32_device/main/ethernet.c
@@ -1,5 +1,3 @@
-#define CONFIG_ETH_USE_ESP32_EMAC
-
 #include "esp_eth.h"
 #include "esp_eth_mac.h"
 #include "esp_eth_com.h"