diff --git a/proposal/mutant/ant1compat.xml b/proposal/mutant/ant1compat.xml
index 92db09f2c..4048579f0 100644
--- a/proposal/mutant/ant1compat.xml
+++ b/proposal/mutant/ant1compat.xml
@@ -26,15 +26,10 @@
     <exclude name="org/apache/tools/ant/taskdefs/AntStructure.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/Recorder.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/RecorderEntry.java"/>
-    <exclude name="org/apache/tools/ant/taskdefs/optional/sound/*.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/optional/Native2Ascii.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/optional/Javah.java"/>
-    <!-- <exclude name="org/apache/tools/ant/taskdefs/Typedef.java"/> -->
-    <!-- <exclude name="org/apache/tools/ant/taskdefs/Taskdef.java"/> -->
-    <!-- <exclude name="org/apache/tools/ant/taskdefs/Definer.java"/> -->
     <exclude name="org/apache/tools/ant/taskdefs/Parallel.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/Sequential.java"/>
-    <exclude name="org/apache/tools/ant/taskdefs/optional/ejb/**/*.java"/>
     <exclude name="org/apache/tools/ant/taskdefs/optional/jdepend/*.java"/>
   </patternset>