diff --git a/ant.spec b/ant.spec
index 7c002fb..847cf69 100644
--- a/ant.spec
+++ b/ant.spec
@@ -334,12 +334,6 @@ find . -name "*.jar" -exec rm -f {} \;
 # classpath selects optional components to build
 export CLASSPATH=$(%{_bindir}/build-classpath jaxp_parser_impl xml-commons-apis antlr bcel jaf javamail/mailapi jdepend junit log4j oro regexp commons-logging jsch xml-commons-resolver)
 
-# XXX this class does not build properly with ecj (#152256)
-mkdir -p build/classes
-CLASSPATH="src/main:$CLASSPATH" \
-    gcj -d build/classes \
-        -C src/main/org/apache/tools/ant/IntrospectionHelper.java
-
 # perform bootstrap and build without jjp or user configs,
 # (except JAVA_HOME as required by build script)
 [ -n "$JAVA_HOME" ] && unset JAVA_HOME