diff --git a/GPU/Directx9/ShaderManagerDX9.cpp b/GPU/Directx9/ShaderManagerDX9.cpp
index 8baa39f709..ea087efbc1 100644
--- a/GPU/Directx9/ShaderManagerDX9.cpp
+++ b/GPU/Directx9/ShaderManagerDX9.cpp
@@ -34,9 +34,6 @@
 #include "GPU/Directx9/FramebufferDX9.h"
 #include "UI/OnScreenDisplay.h"
 
-// For matrices convertions
-#include <xnamath.h>
-
 namespace DX9 {
 
 PSShader::PSShader(const char *code, bool useHWTransform) : failed_(false), useHWTransform_(useHWTransform) {
diff --git a/dx9sdk b/dx9sdk
index da9d3d62e7..ec19e64346 160000
--- a/dx9sdk
+++ b/dx9sdk
@@ -1 +1 @@
-Subproject commit da9d3d62e7b2a0b7ad271100564249fe8c5aee13
+Subproject commit ec19e643461c84dbb256f6faaaab02cba61d4edc