diff --git a/ACKNOWLEDGEMENTS b/ACKNOWLEDGEMENTS
index 65f731b1fffed9aee2610c80e30f30f7917f1cea..41ed6bf24b5a0f176c47ba0d67ff82da69b39254 100644
--- a/ACKNOWLEDGEMENTS
+++ b/ACKNOWLEDGEMENTS
@@ -762,7 +762,6 @@ today.  The names appear in order of pledging.
  1642 Udine
  1643 Simon Critchley
  1644 Sven Haiges, Germany
- 1645 Yi Qing Sim
  1646 "silicium" ("silicium_one", if "silicium" is busy)
  1648 Andy O'Malia, @andyomalia
  1650 RedCamelApps.com