diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index 5eb6d7f55..9d5b1e652 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -49,7 +49,6 @@
 #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
 
 #include <windows.h>
-#if _WIN32_WINNT >= 0x0501 /* _WIN32_WINNT_WINXP */
 #include <bcrypt.h>
 #include <intsafe.h>
 
@@ -79,9 +78,6 @@ int mbedtls_platform_entropy_poll(void *data, unsigned char *output, size_t len,
 
     return 0;
 }
-#else /* !_WIN32_WINNT_WINXP */
-#error "Entropy not available before Windows XP, use MBEDTLS_NO_PLATFORM_ENTROPY"
-#endif /* !_WIN32_WINNT_WINXP */
 #else /* _WIN32 && !EFIX64 && !EFI32 */
 
 /*