diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index c9d2edb516..cca7a20f2a 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -8,7 +8,6 @@ if(CMAKE_SYSTEM_NAME MATCHES "Windows")
   add_definitions(-DUNICODE)
   add_definitions(-D_UNICODE)
   add_definitions(-DWIN32_LEAN_AND_MEAN)
-  add_definitions(-D_WIN32_WINNT=0x0602)
   add_definitions(-D_SCL_SECURE_NO_WARNINGS)
   add_definitions(-D_CRT_SECURE_NO_WARNINGS)
   add_definitions(-D_CRT_SECURE_NO_DEPRECATE)