diff --git a/extra/yassl/taocrypt/src/random.cpp b/extra/yassl/taocrypt/src/random.cpp
index 89fd5f7c7bc..2bbc0a85e8b 100644
--- a/extra/yassl/taocrypt/src/random.cpp
+++ b/extra/yassl/taocrypt/src/random.cpp
@@ -27,7 +27,6 @@
 #include <time.h>
 
 #if defined(_WIN32)
-    #define _WIN32_WINNT 0x0400
     #include <windows.h>
     #include <wincrypt.h>
 #else
diff --git a/mysql-test/lib/My/SafeProcess/safe_process_win.cc b/mysql-test/lib/My/SafeProcess/safe_process_win.cc
index 455262b29f5..aa9093fb2b4 100755
--- a/mysql-test/lib/My/SafeProcess/safe_process_win.cc
+++ b/mysql-test/lib/My/SafeProcess/safe_process_win.cc
@@ -50,9 +50,6 @@
            is killed.
 */
 
-/* Requires Windows 2000 or higher */
-#define _WIN32_WINNT 0x0500
-
 #include <windows.h>
 #include <stdio.h>
 #include <tlhelp32.h>