diff --git a/cocos/2d/CCDirector.cpp b/cocos/2d/CCDirector.cpp
index b2d0fba13e..b1fb34a907 100644
--- a/cocos/2d/CCDirector.cpp
+++ b/cocos/2d/CCDirector.cpp
@@ -728,7 +728,7 @@ static void GLToClipTransform(Matrix *transformOut)
 
 #if CC_TARGET_PLATFORM == CC_PLATFORM_WP8
     //if needed, we need to undo the rotation for Landscape orientation in order to get the correct positions
-	kmMat4Multiply(&projection, Director::getInstance()->getOpenGLView()->getReverseOrientationMatrix(), &projection);
+    projection = Director::getInstance()->getOpenGLView()->getReverseOrientationMatrix() * projection;
 #endif
 
 	Matrix modelview;
diff --git a/cocos/2d/CCNode.cpp b/cocos/2d/CCNode.cpp
index 3e5ac26762..c53bb6cab7 100644
--- a/cocos/2d/CCNode.cpp
+++ b/cocos/2d/CCNode.cpp
@@ -1399,7 +1399,7 @@ const Matrix& Node::getNodeToParentTransform() const
             // adjust anchor point
             if (!_anchorPointInPoints.equals(Point::ZERO))
             {
-                // XXX: Argh, kmMat needs a "translate" method.
+                // XXX: Argh, Matrix needs a "translate" method.
                 // XXX: Although this is faster than multiplying a vec4 * mat4
                 _transform.m[12] += _transform.m[0] * -_anchorPointInPoints.x + _transform.m[4] * -_anchorPointInPoints.y;
                 _transform.m[13] += _transform.m[1] * -_anchorPointInPoints.x + _transform.m[5] * -_anchorPointInPoints.y;