diff --git a/src/stdafx.h b/src/stdafx.h
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -157,22 +157,12 @@
 /* Stuff for MSVC */
 #if defined(_MSC_VER)
 #	pragma once
-#	ifdef _WIN64
-		/* No 64-bit Windows below XP, so we can safely assume it as the target platform. */
-#		define NTDDI_VERSION NTDDI_WINXP // Windows XP
-#		define _WIN32_WINNT 0x501        // Windows XP
-#		define _WIN32_WINDOWS 0x501      // Windows XP
-#		define WINVER 0x0501             // Windows XP
-#		define _WIN32_IE_ 0x0600         // 6.0 (XP+)
-#	else
-		/* Define a win32 target platform, to override defaults of the SDK
-		 * We need to define NTDDI version for Vista SDK, but win2k is minimum */
-#		define NTDDI_VERSION NTDDI_WIN2K // Windows 2000
-#		define _WIN32_WINNT 0x0500       // Windows 2000
-#		define _WIN32_WINDOWS 0x400      // Windows 95
-#		define WINVER 0x0400             // Windows NT 4.0 / Windows 95
-#		define _WIN32_IE_ 0x0401         // 4.01 (win98 and NT4SP5+)
-#	endif
+#	define NTDDI_VERSION NTDDI_WINXP // Windows XP
+#	define _WIN32_WINNT 0x501        // Windows XP
+#	define _WIN32_WINDOWS 0x501      // Windows XP
+#	define WINVER 0x0501             // Windows XP
+#	define _WIN32_IE_ 0x0600         // 6.0 (XP+)
+
 #	define NOMINMAX                // Disable min/max macros in windows.h.
 
 #	pragma warning(disable: 4244)  // 'conversion' conversion from 'type1' to 'type2', possible loss of data