diff --git a/build.xml b/build.xml
index beab592..b728902 100644
--- a/build.xml
+++ b/build.xml
@@ -1166,6 +1166,8 @@
                 <group name="Main">
                     <classfiles>
                         <fileset dir="${main.output.dir}">
+                            <!-- exclude some generated classes -->
+                            <exclude name="org/apache/poi/sl/draw/binding/*.class"/>
                             <!-- exclude large test-class -->
                             <exclude name="org/apache/poi/hssf/usermodel/DummyGraphics2d.class"/>
                         </fileset>