diff --git a/prebuild.xml b/prebuild.xml
index a852e459e2..a950fcfb4c 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -70,7 +70,6 @@
       <ReferencePath>../../../../bin/</ReferencePath>
       <Reference name="System"/>
       <Reference name="System.Xml"/>
-      <Reference name="OpenSim.Data"/>
       <Reference name="OpenMetaverse.StructuredData.dll"/>
       <Reference name="OpenMetaverseTypes.dll"/>
       <Reference name="XMLRPC.dll"/>