diff --git a/tools/distrib/win/README.txt b/tools/distrib/win/README.txt
index cf2e75c7c..2923fd1d1 100644
--- a/tools/distrib/win/README.txt
+++ b/tools/distrib/win/README.txt
@@ -100,8 +100,8 @@ Optional components:
   Note: Without this component HTML5 audio and video will not function.
 
 * Angle and Direct3D support
-    d3dcompiler_43.dll
-    d3dx9_43.dll
+    d3dcompiler_43.dll (required for Windows XP)
+    d3dcompiler_46.dll (required for Windows Vista and newer)
     libEGL.dll
     libGLESv2.dll
   Note: Without these components HTML5 accelerated content like 2D canvas, 3D
diff --git a/tools/distrib/win/d3dx9_43.dll b/tools/distrib/win/d3dx9_43.dll
deleted file mode 100644
index 96cfbe227..000000000
Binary files a/tools/distrib/win/d3dx9_43.dll and /dev/null differ