--- scheduler.install.orig      2009-05-11 15:30:49.000000000 -0500
+++ scheduler.install   2009-05-11 15:32:47.000000000 -0500
@@ -5,6 +5,10 @@
   drupal_install_schema('scheduler');
 }
 
+function scheduler_uninstall() {
+  drupal_uninstall_schema('scheduler');
+}
+
 function scheduler_schema() {
   return array(
     'scheduler' => array(