--- ./pxr/usd/usdShade/utils.h
+++ ./pxr/usd/usdShade/utils.h
@@ -121,15 +121,15 @@
     /// connection paths in order. The list can contain both UsdShadeOutput and
     /// UsdShadeInput attributes. It is up to the caller to decide how to
     /// process such a mixture.
-    USDSHADE_API
-    static UsdShadeAttributeVector GetValueProducingAttributes(
-        UsdShadeInput const &input,
-        bool shaderOutputsOnly = false);
-    /// \overload
-    USDSHADE_API
-    static UsdShadeAttributeVector GetValueProducingAttributes(
-        UsdShadeOutput const &output,
-        bool shaderOutputsOnly = false);
+    // USDSHADE_API
+    // static UsdShadeAttributeVector GetValueProducingAttributes(
+    //     UsdShadeInput const &input,
+    //     bool shaderOutputsOnly = false);
+    // /// \overload
+    // USDSHADE_API
+    // static UsdShadeAttributeVector GetValueProducingAttributes(
+    //     UsdShadeOutput const &output,
+    //     bool shaderOutputsOnly = false);
 };

 PXR_NAMESPACE_CLOSE_SCOPE