diff -urp ./panels_mini/panels_mini.install ../panels/panels_mini/panels_mini.install
--- ./panels_mini/panels_mini.install	2011-02-09 11:34:54.000000000 -0600
+++ ../panels/panels_mini/panels_mini.install	2011-02-09 11:35:00.000000000 -0600
@@ -117,7 +117,7 @@ function panels_mini_uninstall() {
 
   if ($deltas) {
     // Delete all configured blocks.
-    db_delete('blocks')
+    db_delete('block')
       ->condition('module', 'panels_mini')
       ->condition('delta', $deltas)
       ->execute();