diff --git a/platform/mcu/STM32F4xx/boot/bsp.cpp b/platform/mcu/STM32F4xx/boot/bsp.cpp
index 7dd077bb..c3eae09d 100644
--- a/platform/mcu/STM32F4xx/boot/bsp.cpp
+++ b/platform/mcu/STM32F4xx/boot/bsp.cpp
@@ -54,7 +54,9 @@ void IRQbspInit()
 
 void bspInit2()
 {
+#ifdef VCOM_ENABLED
     vcom_init();
+#endif
 }
 
 //
diff --git a/platform/targets/DM-1801/hwconfig.h b/platform/targets/DM-1801/hwconfig.h
index edfe16a9..5b76775c 100644
--- a/platform/targets/DM-1801/hwconfig.h
+++ b/platform/targets/DM-1801/hwconfig.h
@@ -23,6 +23,9 @@
 
 #include "MK22F51212.h"
 
+/* Enable Serial over USB support */
+//#define VCOM_ENABLED
+
 /* Screen dimensions */
 #define SCREEN_WIDTH 128
 #define SCREEN_HEIGHT 64
diff --git a/platform/targets/GD-77/hwconfig.h b/platform/targets/GD-77/hwconfig.h
index 5160285d..4ecf54af 100644
--- a/platform/targets/GD-77/hwconfig.h
+++ b/platform/targets/GD-77/hwconfig.h
@@ -23,6 +23,9 @@
 
 #include "MK22F51212.h"
 
+/* Enable Serial over USB support */
+//#define VCOM_ENABLED
+
 /* Screen dimensions */
 #define SCREEN_WIDTH 128
 #define SCREEN_HEIGHT 64
diff --git a/platform/targets/MD-3x0/hwconfig.h b/platform/targets/MD-3x0/hwconfig.h
index be49ee6f..7c22eae9 100644
--- a/platform/targets/MD-3x0/hwconfig.h
+++ b/platform/targets/MD-3x0/hwconfig.h
@@ -22,6 +22,9 @@
 
 #include <stm32f4xx.h>
 
+/* Enable Serial over USB support */
+//#define VCOM_ENABLED
+
 /* Device has a working real time clock */
 #define HAS_RTC
 
diff --git a/platform/targets/MD-9600/hwconfig.h b/platform/targets/MD-9600/hwconfig.h
index cb751470..a77aa97e 100644
--- a/platform/targets/MD-9600/hwconfig.h
+++ b/platform/targets/MD-9600/hwconfig.h
@@ -23,6 +23,9 @@
 
 #include <stm32f4xx.h>
 
+/* Enable Serial over USB support */
+//#define VCOM_ENABLED
+
 /* Device has a working real time clock */
 #define HAS_RTC
 
diff --git a/platform/targets/MD-UV3x0/hwconfig.h b/platform/targets/MD-UV3x0/hwconfig.h
index 06236d10..a2ab3af9 100644
--- a/platform/targets/MD-UV3x0/hwconfig.h
+++ b/platform/targets/MD-UV3x0/hwconfig.h
@@ -22,6 +22,9 @@
 
 #include <stm32f4xx.h>
 
+/* Enable Serial over USB support */
+//#define VCOM_ENABLED
+
 /* Device has a working real time clock */
 #define HAS_RTC