diff --git a/src/main/resources/update/gitbucket-core_4.25.xml b/src/main/resources/update/gitbucket-core_4.25.xml
index b02b11c..8f78bd2 100644
--- a/src/main/resources/update/gitbucket-core_4.25.xml
+++ b/src/main/resources/update/gitbucket-core_4.25.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <changeSet>
   <modifyDataType columnName="PASSWORD" newDataType="varchar(200)" tableName="ACCOUNT"/>
+
+  <delete tableName="ACCOUNT_EXTRA_MAIL_ADDRESS">
+    <where>EXTRA_MAIL_ADDRESS = ''</where>
+  </delete>
 </changeSet>