diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan1Executor.java b/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan1Executor.java
index 90224e151..1263db808 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan1Executor.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan1Executor.java
@@ -64,6 +64,8 @@ import org.apache.xalan.xslt.XSLTResultTarget;
  * Xalan 1 executor. It will need a lot of things in the classpath:
  * xerces for the serialization, xalan and bsf for the extension.
  * @todo do everything via reflection to avoid compile problems ?
+ *
+ * @ant.task ignore="true"
  */
 public class Xalan1Executor extends XalanExecutor {
     void execute() throws Exception {
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan2Executor.java b/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan2Executor.java
index a5fd07f9c..476dd8994 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan2Executor.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/junit/Xalan2Executor.java
@@ -66,6 +66,8 @@ import javax.xml.transform.stream.StreamResult;
 /**
  * Xalan executor via JAXP. Nothing special must exists in the classpath
  * besides of course, a parser, jaxp and xalan.
+ *
+ * @ant.task ignore="true"
  */
 public class Xalan2Executor extends XalanExecutor {
     void execute() throws Exception {
diff --git a/src/main/org/apache/tools/ant/types/Description.java b/src/main/org/apache/tools/ant/types/Description.java
index 45efee45f..bff872703 100644
--- a/src/main/org/apache/tools/ant/types/Description.java
+++ b/src/main/org/apache/tools/ant/types/Description.java
@@ -68,6 +68,8 @@ package org.apache.tools.ant.types;
  *
  * @author <a href="mailto:cstrong@arielpartners.com">Craeg Strong</a>
  * @version $Revision$ $Date$
+ *
+ * @ant.datatype ignore="true"
  */
 public class Description extends DataType {
 
diff --git a/src/main/org/apache/tools/ant/types/RegularExpression.java b/src/main/org/apache/tools/ant/types/RegularExpression.java
index 64be97e21..510a6e7ff 100644
--- a/src/main/org/apache/tools/ant/types/RegularExpression.java
+++ b/src/main/org/apache/tools/ant/types/RegularExpression.java
@@ -93,6 +93,8 @@ import org.apache.tools.ant.util.regexp.RegexpFactory;
  *
  * @see org.apache.tools.ant.util.regexp.Regexp
  * @author Matthew Inger <a href="mailto:mattinger@mindless.com">mattinger@mindless.com</a>
+ *
+ * @ant.datatype name="regexp"
  */
 public class RegularExpression extends DataType
 {