diff --git a/hibernate-core/src/main/xjb/hbm-configuration-bindings.xjb b/hibernate-core/src/main/xjb/hbm-configuration-bindings.xjb
index bb2b2e0c2a..2792774a62 100644
--- a/hibernate-core/src/main/xjb/hbm-configuration-bindings.xjb
+++ b/hibernate-core/src/main/xjb/hbm-configuration-bindings.xjb
@@ -2,7 +2,7 @@
 
 <jaxb:bindings xmlns:jaxb="http://java.sun.com/xml/ns/jaxb"
         xmlns:xsd="http://www.w3.org/2001/XMLSchema"
-        jaxb:version="2.1">
+        version="2.1">
 
     <jaxb:bindings schemaLocation="../resources/org/hibernate/hibernate-configuration-4.0.xsd" node="/xsd:schema">
         <jaxb:schemaBindings>
diff --git a/hibernate-core/src/main/xjb/hbm-mapping-bindings.xjb b/hibernate-core/src/main/xjb/hbm-mapping-bindings.xjb
index a306b2269a..21f59a0a2d 100644
--- a/hibernate-core/src/main/xjb/hbm-mapping-bindings.xjb
+++ b/hibernate-core/src/main/xjb/hbm-mapping-bindings.xjb
@@ -4,7 +4,7 @@
         xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         xmlns:inheritance="http://jaxb2-commons.dev.java.net/basic/inheritance"
         jaxb:extensionBindingPrefixes="inheritance"
-        jaxb:version="2.1">
+        version="2.1">
 
     <jaxb:bindings schemaLocation="../resources/org/hibernate/hibernate-mapping-4.0.xsd" node="/xsd:schema">
 
diff --git a/hibernate-core/src/main/xjb/orm-bindings.xjb b/hibernate-core/src/main/xjb/orm-bindings.xjb
index 664807629b..097000b5de 100644
--- a/hibernate-core/src/main/xjb/orm-bindings.xjb
+++ b/hibernate-core/src/main/xjb/orm-bindings.xjb
@@ -2,7 +2,7 @@
 
 <jaxb:bindings xmlns:jaxb="http://java.sun.com/xml/ns/jaxb"
         xmlns:xsd="http://www.w3.org/2001/XMLSchema"
-        jaxb:version="2.1">
+        version="2.1">
 
     <jaxb:bindings schemaLocation="../resources/org/hibernate/ejb/orm_2_0.xsd" node="/xsd:schema">
         <jaxb:schemaBindings>