diff --git a/DirectXTex/DirectXTexUtil.cpp b/DirectXTex/DirectXTexUtil.cpp
index cd8a88f..3f7850e 100644
--- a/DirectXTex/DirectXTexUtil.cpp
+++ b/DirectXTex/DirectXTexUtil.cpp
@@ -801,7 +801,6 @@ DXGI_FORMAT MakeTypeless( DXGI_FORMAT fmt )
     case DXGI_FORMAT_R8_UINT:
     case DXGI_FORMAT_R8_SNORM:
     case DXGI_FORMAT_R8_SINT:
-    case DXGI_FORMAT_A8_UNORM:
         return DXGI_FORMAT_R8_TYPELESS;
 
     case DXGI_FORMAT_BC1_UNORM: