diff --git a/src/core/winrt/SDL_winrtapp_direct3d.cpp b/src/core/winrt/SDL_winrtapp_direct3d.cpp
index 034c31e76..2cf7b405e 100644
--- a/src/core/winrt/SDL_winrtapp_direct3d.cpp
+++ b/src/core/winrt/SDL_winrtapp_direct3d.cpp
@@ -20,12 +20,6 @@
 */
 #include "../../SDL_internal.h"
 
-/* Standard C++11 includes */
-#include <functional>
-#include <string>
-#include <sstream>
-using namespace std;
-
 /* Windows includes */
 #include "ppltasks.h"
 using namespace concurrency;
diff --git a/src/video/winrt/SDL_winrtvideo.cpp b/src/video/winrt/SDL_winrtvideo.cpp
index e3365b1db..9160bbb63 100644
--- a/src/video/winrt/SDL_winrtvideo.cpp
+++ b/src/video/winrt/SDL_winrtvideo.cpp
@@ -29,10 +29,8 @@
  */
 
 /* Standard C++11 includes */
-#include <functional>
-#include <string>
 #include <sstream>
-using namespace std;
+#include <string>
 
 /* Windows includes */
 #include <agile.h>