--- ./pxr/usd/usdShade/material.h
+++ ./pxr/usd/usdShade/material.h
@@ -289,7 +289,7 @@
     // --------------------------------------------------------------------- //

     /// A function type that takes a path and returns a bool.
-    typedef std::function<bool (const SdfPath &)> PathPredicate;
+    // typedef std::function<bool (const SdfPath &)> PathPredicate;

     /// @}

@@ -489,9 +489,9 @@
 private:
     // Helper method to compute the sources of a given output, identified by its 
     // baseName, for the renderContexts in the specified contextVector.
-    UsdShadeAttributeVector _ComputeNamedOutputSources(
-        const TfToken &baseName,
-        const TfTokenVector &contextVector) const;
+    // UsdShadeAttributeVector _ComputeNamedOutputSources(
+    //     const TfToken &baseName,
+    //     const TfTokenVector &contextVector) const;

     // Helper method to compute the source shader of a given output, identified 
     // by its baseName, for the renderContexts in the specified contextVector.
@@ -669,10 +669,10 @@
     /// This is a public static function to support applications that use
     /// Pcp but not Usd. Most clients should call \ref GetBaseMaterialPath,
     /// which uses this function when appropriate.
-    USDSHADE_API
-    static SdfPath FindBaseMaterialPathInPrimIndex(
-        const PcpPrimIndex & primIndex,
-        const PathPredicate & pathIsMaterialPredicate);
+    // USDSHADE_API
+    // static SdfPath FindBaseMaterialPathInPrimIndex(
+    //     const PcpPrimIndex & primIndex,
+    //     const PathPredicate & pathIsMaterialPredicate);

     /// Set the base Material of this Material.
     /// An empty Material is equivalent to clearing the base Material.