diff --git a/liquibase-core/src/main/java/liquibase/serializer/core/xml/XMLChangeLogSerializer.java b/liquibase-core/src/main/java/liquibase/serializer/core/xml/XMLChangeLogSerializer.java
index <HASH>..<HASH> 100644
--- a/liquibase-core/src/main/java/liquibase/serializer/core/xml/XMLChangeLogSerializer.java
+++ b/liquibase-core/src/main/java/liquibase/serializer/core/xml/XMLChangeLogSerializer.java
@@ -76,7 +76,6 @@ public class XMLChangeLogSerializer implements ChangeLogSerializer {
         documentBuilder.setEntityResolver(new LiquibaseEntityResolver(this));
 
         Document doc = documentBuilder.newDocument();
-        doc.setXmlVersion("1.1");
         Element changeLogElement = doc.createElementNS(LiquibaseSerializable.STANDARD_CHANGELOG_NAMESPACE, "databaseChangeLog");
 
         changeLogElement.setAttribute("xmlns", LiquibaseSerializable.STANDARD_CHANGELOG_NAMESPACE);
Reverted CORE-<I> Output xml changelogs as xml version="<I>"

Change was causing unexpected problems