diff --git a/src/main/io/serial.c b/src/main/io/serial.c
index 98c5cd7863..3f0aa30623 100644
--- a/src/main/io/serial.c
+++ b/src/main/io/serial.c
@@ -203,7 +203,7 @@ void pgResetFn_serialConfig(serialConfig_t *serialConfig)
 #ifdef MSP_DISPLAYPORT_UART
     serialPortConfig_t *displayPortUartConfig = serialFindPortConfigurationMutable(MSP_DISPLAYPORT_UART);
     if (displayPortUartConfig) {
-        displayPortUartConfig->functionMask = FUNCTION_DISPLAYPORT;
+        displayPortUartConfig->functionMask = FUNCTION_VTX_MSP | FUNCTION_MSP;
     }
 #endif
 
diff --git a/src/main/io/serial.h b/src/main/io/serial.h
index 88bf912c9f..a276545ace 100644
--- a/src/main/io/serial.h
+++ b/src/main/io/serial.h
@@ -51,7 +51,6 @@ typedef enum {
     FUNCTION_LIDAR_TF            = (1 << 15), // 32768
     FUNCTION_FRSKY_OSD           = (1 << 16), // 65536
     FUNCTION_VTX_MSP             = (1 << 17), // 131072
-    FUNCTION_MSP_DISPLAYPORT     = (1 << 18) | FUNCTION_MSP, // 262144 + 1
 } serialPortFunction_e;
 
 #define TELEMETRY_SHAREABLE_PORT_FUNCTIONS_MASK (FUNCTION_TELEMETRY_FRSKY_HUB | FUNCTION_TELEMETRY_LTM | FUNCTION_TELEMETRY_MAVLINK)