diff --git a/protocol/src/main/java/com/zfoo/protocol/xml/XmlModuleDefinition.java b/protocol/src/main/java/com/zfoo/protocol/xml/XmlModuleDefinition.java
index c39cf0c6..455d8f97 100644
--- a/protocol/src/main/java/com/zfoo/protocol/xml/XmlModuleDefinition.java
+++ b/protocol/src/main/java/com/zfoo/protocol/xml/XmlModuleDefinition.java
@@ -38,9 +38,6 @@ public class XmlModuleDefinition {
     @JacksonXmlProperty(isAttribute = true, localName = "maxId")
     private short maxId;
 
-    @JacksonXmlProperty(isAttribute = true, localName = "version")
-    private String version;
-
     @JacksonXmlProperty(localName = "protocol")
     @JacksonXmlElementWrapper(useWrapping = false)
     private List<XmlProtocolDefinition> protocols;
@@ -61,10 +58,6 @@ public class XmlModuleDefinition {
         return maxId;
     }
 
-    public String getVersion() {
-        return version;
-    }
-
     public List<XmlProtocolDefinition> getProtocols() {
         return protocols;
     }