--- ./pxr/usd/sdf/layer.h
+++ ./pxr/usd/sdf/layer.h
@@ -113,7 +113,7 @@
     SDF_API const SdfSchemaBase& GetSchema() const;

     /// Returns the file format used by this layer.
-    SDF_API const SdfFileFormatConstPtr& GetFileFormat() const;
+    // SDF_API const SdfFileFormatConstPtr& GetFileFormat() const;

     /// Type for specifying additional file format-specific arguments to
     /// layer API.
@@ -765,12 +765,12 @@
     /// Callback function for Traverse. This callback will be invoked with
     /// the path of each spec that is visited.
     /// \sa Traverse
-    typedef std::function<void(const SdfPath&)> TraversalFunction;
+    // typedef std::function<void(const SdfPath&)> TraversalFunction;

     // Traverse will perform a traversal of the scene description hierarchy
     // rooted at \a path, calling \a func on each spec that it finds.
-    SDF_API
-    void Traverse(const SdfPath& path, const TraversalFunction& func);
+    // SDF_API
+    // void Traverse(const SdfPath& path, const TraversalFunction& func);

     /// @}

@@ -1048,18 +1048,18 @@
     /// @{

     // Type for root prims view.
-    typedef SdfPrimSpecView RootPrimsView;
+    // typedef SdfPrimSpecView RootPrimsView;

     /// Returns a vector of the layer's root prims
-    SDF_API
-    RootPrimsView GetRootPrims() const;
+    // SDF_API
+    // RootPrimsView GetRootPrims() const;

     /// Sets a new vector of root prims.
     /// You can re-order, insert and remove prims but cannot 
     /// rename them this way.  If any of the listed prims have 
     /// an existing owner, they will be reparented.
-    SDF_API
-    void SetRootPrims(const SdfPrimSpecHandleVector &rootPrims);
+    // SDF_API
+    // void SetRootPrims(const SdfPrimSpecHandleVector &rootPrims);

     /// Adds a new root prim at the given index.
     /// If the index is -1, the prim is inserted at the end.
@@ -1898,8 +1898,8 @@

     // Helper method for Traverse. Visits the children of \a path using the
     // specified \a ChildPolicy.
-    template <typename ChildPolicy>
-    void _TraverseChildren(const SdfPath &path, const TraversalFunction &func);
+    // template <typename ChildPolicy>
+    // void _TraverseChildren(const SdfPath &path, const TraversalFunction &func);

 private:
     SdfLayerHandle _self;