diff --git a/demos/Win32-MinGW/chconf.h b/demos/Win32-MinGW/chconf.h
index 53ee70cc1..8c124180e 100644
--- a/demos/Win32-MinGW/chconf.h
+++ b/demos/Win32-MinGW/chconf.h
@@ -232,16 +232,6 @@
 #define CH_USE_QUEUES                   TRUE
 #endif
 
-/**
- * If specified then the full duplex serial driver APIs are included in the
- * kernel.
- * @note The default is @p TRUE.
- * @note Requires @p CH_USE_QUEUES.
- */
-#if !defined(CH_USE_SERIAL_FULLDUPLEX) || defined(__DOXYGEN__)
-#define CH_USE_SERIAL_FULLDUPLEX        TRUE
-#endif
-
 /**
  * If specified then the memory heap allocator APIs are included in the kernel.
  * @note The default is @p TRUE.
diff --git a/os/io/platforms/Win32/serial_lld.c b/os/io/platforms/Win32/serial_lld.c
index 05310bfe9..2539ebae9 100644
--- a/os/io/platforms/Win32/serial_lld.c
+++ b/os/io/platforms/Win32/serial_lld.c
@@ -30,11 +30,11 @@
 #include <ch.h>
 #include <serial.h>
 
-/** @brief USART0 serial driver identifier.*/
+/** @brief Serial driver 1 identifier.*/
 #if USE_WIN32_SERIAL1 || defined(__DOXYGEN__)
 SerialDriver SD1;
 #endif
-/** @brief USART1 serial driver identifier.*/
+/** @brief Serial driver 2 identifier.*/
 #if USE_WIN32_SERIAL2 || defined(__DOXYGEN__)
 SerialDriver SD2;
 #endif
diff --git a/os/io/platforms/Win32/serial_lld.h b/os/io/platforms/Win32/serial_lld.h
index bcba7c685..07472754d 100644
--- a/os/io/platforms/Win32/serial_lld.h
+++ b/os/io/platforms/Win32/serial_lld.h
@@ -142,7 +142,6 @@ struct _serial_driver_data {
  *       initializers.
  */
 typedef struct {
-  uint16_t              port;
 } SerialDriverConfig;
 
 /*===========================================================================*/