first import

sites/all/modules/mb/mb_extra/mb_extra.install

@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @file
+ * Installs, updates, and uninstalls More Buttons Extra.
+ */
+
+/**
+ * Implements hook_uninstall().
+ */
+function mb_extra_uninstall() {
+  // Remove variables.
+  variable_del('mb_extra_destination_tabs');
+  variable_del('mb_extra_confirm_cancel');
+}