diff --git a/prebuild.xml b/prebuild.xml
index 1702e96d4f..081ac95e08 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -972,7 +972,6 @@
       </Configuration>
 
       <ReferencePath>../../../../bin/</ReferencePath>
-      <ReferencePath>../../../../bin/Physics/</ReferencePath>
 
       <Reference name="libsecondlife.dll"/>
       <Reference name="Axiom.MathLib.dll" localCopy="false"/>