diff --git a/java/external/src/javax/xml/parsers/DocumentBuilderFactory.java b/java/external/src/javax/xml/parsers/DocumentBuilderFactory.java
index 50d1f82..e4064da 100644
--- a/java/external/src/javax/xml/parsers/DocumentBuilderFactory.java
+++ b/java/external/src/javax/xml/parsers/DocumentBuilderFactory.java
@@ -140,7 +140,7 @@ public abstract class DocumentBuilderFactory {
                 /* The default property name according to the JAXP spec */
                 "javax.xml.parsers.DocumentBuilderFactory",
                 /* The fallback implementation class name */
-                "org.apache.crimson.jaxp.DocumentBuilderFactoryImpl");
+                null);
         } catch (FactoryFinder.ConfigurationError e) {
             throw new FactoryConfigurationError(e.getException(),
                                                 e.getMessage());
diff --git a/java/external/src/javax/xml/parsers/SAXParserFactory.java b/java/external/src/javax/xml/parsers/SAXParserFactory.java
index 38e5529..4be02c8 100644
--- a/java/external/src/javax/xml/parsers/SAXParserFactory.java
+++ b/java/external/src/javax/xml/parsers/SAXParserFactory.java
@@ -136,7 +136,7 @@ public abstract class SAXParserFactory {
                 /* The default property name according to the JAXP spec */
                 "javax.xml.parsers.SAXParserFactory",
                 /* The fallback implementation class name */
-                "org.apache.crimson.jaxp.SAXParserFactoryImpl");
+                null);
         } catch (FactoryFinder.ConfigurationError e) {
             throw new FactoryConfigurationError(e.getException(),
                                                 e.getMessage());
diff --git a/java/external/src/javax/xml/transform/TransformerFactory.java b/java/external/src/javax/xml/transform/TransformerFactory.java
index 00e7ce7..e28b679 100644
--- a/java/external/src/javax/xml/transform/TransformerFactory.java
+++ b/java/external/src/javax/xml/transform/TransformerFactory.java
@@ -140,7 +140,7 @@ public abstract class TransformerFactory {
                 /* The default property name according to the JAXP spec */
                 "javax.xml.transform.TransformerFactory",
                 /* The fallback implementation class name */
-                "org.apache.xalan.processor.TransformerFactoryImpl");
+                null);
         } catch (FactoryFinder.ConfigurationError e) {
             throw new TransformerFactoryConfigurationError(e.getException(),
                                                            e.getMessage());