diff --git a/lib/ruote/dm/ticket.rb b/lib/ruote/dm/ticket.rb
index 959266c..1256303 100644
--- a/lib/ruote/dm/ticket.rb
+++ b/lib/ruote/dm/ticket.rb
@@ -48,6 +48,11 @@ def self.draw (holder, target)
 
       ticket.save ? ticket : nil
     end
+
+    def self.discard (target)
+
+      Ticket.all(:target => target).destroy!
+    end
   end
 end
 end
diff --git a/test/ut_2_ticket.rb b/test/ut_2_ticket.rb
index 3c87078..406a284 100644
--- a/test/ut_2_ticket.rb
+++ b/test/ut_2_ticket.rb
@@ -43,6 +43,23 @@ def test_two_tickets
     assert_equal true, l1.consumable?
   end
 
+  def test_discard
+
+    Ruote::Dm::Ticket.draw('a', 't0')
+    Ruote::Dm::Ticket.draw('b', 't0')
+    Ruote::Dm::Ticket.draw('b', 't1')
+
+    assert_equal 3, Ruote::Dm::Ticket.all.size
+
+    Ruote::Dm::Ticket.discard('t1')
+
+    assert_equal 2, Ruote::Dm::Ticket.all.size
+
+    Ruote::Dm::Ticket.discard('t0')
+
+    assert_equal 0, Ruote::Dm::Ticket.all.size
+  end
+
   def test_same_same
 
     Ruote::Dm::Ticket.draw('ticketer1', 'target')