-MAKEINFO_OPTS="$MAKEINFO_OPTS --html --css-include style.css"
-MAKEINFO_OPTS="$MAKEINFO_OPTS --set-customization-variable SECTION_NAME_IN_TITLE=1"
-MAKEINFO_OPTS="$MAKEINFO_OPTS --set-customization-variable TREE_TRANSFORMATIONS=complete_tree_nodes_menus"
+MAKEINFO_OPTS="$MAKEINFO_OPTS --html"
+MAKEINFO_OPTS="$MAKEINFO_OPTS --set-customization-variable NO_CSS=1"