--- xmlsitemap_engines.install.orig	2015-01-19 15:06:10.098254300 -0500
+++ xmlsitemap_engines.install	2015-01-19 15:01:49.543546400 -0500
@@ -24,6 +24,7 @@ function xmlsitemap_engines_install() {
 function xmlsitemap_engines_uninstall() {
   variable_del('xmlsitemap_engines_engines');
   variable_del('xmlsitemap_engines_custom_urls');
+  variable_del('xmlsitemap_engines_log_access');
   variable_del('xmlsitemap_engines_minimum_lifetime');
   variable_del('xmlsitemap_engines_submit_last');
   variable_del('xmlsitemap_engines_submit_updated');