Index: user_relationship_implications.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/user_relationships/plugins/user_relationship_implications/user_relationship_implications.module,v
retrieving revision 1.9
diff -u -r1.9 user_relationship_implications.module
--- user_relationship_implications.module	19 Sep 2007 18:54:29 -0000	1.9
+++ user_relationship_implications.module	20 Sep 2007 20:30:17 -0000
@@ -150,6 +150,20 @@
     }
     break;
 
+  case 'delete type':
+    if ($relationship->rtid) {
+      // clean out the db
+      $results = db_query(
+         "DELETE FROM {user_relationship_implications} WHERE rtid = %d OR implies_rtid = %d", 
+         $relationship->rtid, $relationship->rtid
+         );
+
+      // clean out the implications cache
+      static $loaded_relationship_implications;
+      unset($loaded_relationship_implications);
+    }
+    break;
+
   case 'request':
   case 'update':
     if ($relationship->approved && $relationship->type->implies) {