diff --git a/lib/java/build.xml b/lib/java/build.xml
index ed55c2f..1afc3cb 100644
--- a/lib/java/build.xml
+++ b/lib/java/build.xml
@@ -209,8 +209,6 @@
       classpathref="test.classpath" failonerror="true" />
     <java classname="org.apache.thrift.test.JavaBeansTest"
       classpathref="test.classpath" failonerror="true" />
-    <java classname="org.apache.thrift.test.UnionTest"
-      classpathref="test.classpath" failonerror="true" />
   </target>
 
   <target name="test" description="Run the full test suite" depends="junit-test,deprecated-test"/>