diff --git a/DirectXTex/DirectXTexP.h b/DirectXTex/DirectXTexP.h
index 407d7d1..19c6045 100644
--- a/DirectXTex/DirectXTexP.h
+++ b/DirectXTex/DirectXTexP.h
@@ -42,6 +42,10 @@
 // C4986 exception specification does not match previous declaration
 // C5029 nonstandard extension used
 
+// Xbox One XDK related Off by default warnings
+#pragma warning(disable : 4643)
+// C4643 Forward declaring in namespace std is not permitted by the C++ Standard
+
 #ifdef __INTEL_COMPILER
 #pragma warning(disable : 161)
 // warning #161: unrecognized #pragma