And simplexml doesn't need dom anymore to do the import

ext/simplexml/simplexml.c

@@ -1597,7 +1597,6 @@ void *simplexml_export_node(zval *object TSRMLS_DC)
 	return php_sxe_get_first_node(sxe, node TSRMLS_CC);	
 }
 
-#ifdef HAVE_DOM
 /* {{{ proto simplemxml_element simplexml_import_dom(domNode node [, string class_name])
    Get a simplexml_element object from dom to allow for processing */
 PHP_FUNCTION(simplexml_import_dom)
@@ -1650,14 +1649,11 @@ PHP_FUNCTION(simplexml_import_dom)
 	}
 }
 /* }}} */
-#endif
 
 function_entry simplexml_functions[] = {
 	PHP_FE(simplexml_load_file, NULL)
 	PHP_FE(simplexml_load_string, NULL)
-#ifdef HAVE_DOM
 	PHP_FE(simplexml_import_dom, NULL)
-#endif
 	{NULL, NULL, NULL}
 };