diff --git a/modules/blog/blog.install b/modules/blog/blog.install
index 898ff57..087a3eb 100644
--- a/modules/blog/blog.install
+++ b/modules/blog/blog.install
@@ -15,3 +15,10 @@ function blog_install() {
   $types = node_type_get_types();
   node_add_body_field($types['blog']);
 }
+
+/**
+ * Implements hook_uninstall().
+ */
+function blog_uninstall() {
+  variable_del('blog_block_count');
+}