diff --git a/prebuild.xml b/prebuild.xml
index 0bdd14db43..90f451d6a7 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -1582,7 +1582,6 @@
       <Reference name="OpenSim.Framework.Statistics"/>
       <Reference name="OpenSim.Region.ClientStack"/>
       <Reference name="OpenSim.Services.Interfaces"/>
-      <Reference name="Mono.Addins" path="../../../../bin/"/>
       <Reference name="Nini" path="../../../../../bin/"/>
       <Reference name="log4net" path="../../../../../bin/"/>
       <Reference name="C5" path="../../../../../bin/"/>