Index: preserve_language.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/preserve_language/preserve_language.install,v
retrieving revision 1.2
diff -u -r1.2 preserve_language.install
--- preserve_language.install	31 Oct 2008 09:55:28 -0000	1.2
+++ preserve_language.install	12 Nov 2008 15:50:31 -0000
@@ -18,4 +18,15 @@
   
   db_query("UPDATE {system} SET weight = $weight WHERE name = 'preserve_language'");
 }
+
+/**
+ * hook_uninstall()
+ */
+function preserve_language_uninstall() {
+  // Cleaning variables
+  variable_del('preserve_language_on');
+  variable_del('preserve_language_selection');
+  variable_del('preserve_language_content_neutral');
+  variable_del('preserve_language_block'); 
+}
 ?>