diff --git a/library/base64.c b/library/base64.c
index ec19e1b92..4fa434d18 100644
--- a/library/base64.c
+++ b/library/base64.c
@@ -30,12 +30,7 @@
 
 #include "mbedtls/base64.h"
 
-#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
-#include <basetsd.h>
-typedef UINT32 uint32_t;
-#else
 #include <stdint.h>
-#endif
 
 #if defined(MBEDTLS_SELF_TEST)
 #include <string.h>
diff --git a/library/net.c b/library/net.c
index 2012aa6be..3c6964672 100644
--- a/library/net.c
+++ b/library/net.c
@@ -87,12 +87,7 @@ static int wsa_init_done = 0;
 
 #include <time.h>
 
-#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
-#include <basetsd.h>
-typedef UINT32 uint32_t;
-#else
 #include <stdint.h>
-#endif
 
 /*
  * Prepare for using the sockets interface
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 0db7c1833..af28d00fc 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -42,12 +42,7 @@
 #define mbedtls_free       free
 #endif
 
-#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
-#include <basetsd.h>
-typedef UINT32 uint32_t;
-#else
 #include <stdint.h>
-#endif
 
 #if defined(MBEDTLS_HAVE_TIME)
 #include <time.h>