diff --git a/variants/OPTA/pins_arduino.h b/variants/OPTA/pins_arduino.h
index 62bbc478f..25d6e8c06 100644
--- a/variants/OPTA/pins_arduino.h
+++ b/variants/OPTA/pins_arduino.h
@@ -130,13 +130,18 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define PIN_WIRE_SDA (11u)
#define PIN_WIRE_SCL (12u)
-#define SERIAL_HOWMANY 2
+#define SERIAL_HOWMANY 3
#define SERIAL1_TX (digitalPinToPinName(PIN_SERIAL_TX))
#define SERIAL1_RX (digitalPinToPinName(PIN_SERIAL_RX))
#define SERIAL2_TX PB_10
#define SERIAL2_RX PB_11
+#define SERIAL3_TX PB_9
+#define SERIAL3_RX PH_14
+#define SERIAL3_RTS PA_15
+#define SERIAL3_CTS PB_15
+
#define SERIAL_CDC 1
#define HAS_UNIQUE_ISERIAL_DESCRIPTOR
@@ -184,11 +189,6 @@ void _ontouch1200bps_();
#define RS485_DEFAULT_DE_PIN PB_14
#define RS485_DEFAULT_RE_PIN PB_13
-#define SerialLoRa Serial3
-#define LORA_BOOT0 (PG_7)
-#define LORA_RESET (PC_7)
-#define LORA_IRQ_DUMB (PJ_11)
-
#define CRYPTO_WIRE Wire1
#define USB_MAX_POWER (500)
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