--- texlive-20200406-source.old/texk/web2c/xetexdir/XeTeXLayoutInterface.cpp
+++ texlive-20200406-source/texk/web2c/xetexdir/XeTeXLayoutInterface.cpp
@@ -379,7 +379,7 @@
     uint32_t rval = 0;
 
     hb_face_t* hbFace = hb_font_get_face(engine->font->getHbFont());
-    gr_face* grFace = hb_graphite2_face_get_gr_face(hbFace);
+    gr_face* grFace = NULL; // hb_graphite2_face_get_gr_face(hbFace);
 
     if (grFace != NULL)
         rval = gr_face_n_fref(grFace);
@@ -940,7 +940,7 @@
 {
     hb_face_t* hbFace = hb_font_get_face(engine->font->getHbFont());
     gr_face* grFace = hb_graphite2_face_get_gr_face(hbFace);
-    gr_font* grFont = hb_graphite2_font_get_gr_font(engine->font->getHbFont());
+    gr_font* grFont = NULL; // hb_graphite2_font_get_gr_font(engine->font->getHbFont());
     if (grFace != NULL && grFont != NULL) {
         if (grSegment != NULL) {
             gr_seg_destroy(grSegment);