diff --git a/tasmota/support.ino b/tasmota/support.ino
index 1bc0ba4a3..54f95bc28 100644
--- a/tasmota/support.ino
+++ b/tasmota/support.ino
@@ -1841,16 +1841,14 @@ int8_t ParseSerialConfig(const char *pstr)
 }
 
 #ifdef ESP8266
-SerConfu8 ConvertSerialConfigESP8286(uint8_t serial_config) {
+SerConfu8 ConvertSerialConfig(uint8_t serial_config) {
   return (SerConfu8)pgm_read_byte(kTasmotaSerialConfig + serial_config);
 }
-#define ConvertSerialConfig(a) ConvertSerialConfigESP8286(a)
 #endif  // ESP8266
 #ifdef ESP32
-uint32_t ConvertSerialConfigESP32(uint8_t serial_config) {
+uint32_t ConvertSerialConfig(uint8_t serial_config) {
   return (uint32_t)pgm_read_dword(kTasmotaSerialConfig + serial_config);
 }
-#define ConvertSerialConfig(a) ConvertSerialConfigESP32(a)
 #endif  // ESP32
 
 // workaround disabled 05.11.2021 solved with https://github.com/espressif/arduino-esp32/pull/5549