diff --git a/nant-common.xml b/nant-common.xml
index 6e635b7..0062653 100644
--- a/nant-common.xml
+++ b/nant-common.xml
@@ -471,7 +471,6 @@
     </if>
     <delete dir="build" if="${directory::exists('build')}" />
     <delete dir="obj" if="${directory::exists('obj')}" />
-    <delete dir="lib" if="${directory::exists('lib')}" />
     <delete dir="package" if="${directory::exists('package')}" />
   </target>