diff --git a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
index a275105cb31..7641215dc91 100644
--- a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
+++ b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
@@ -595,5 +595,3 @@ create table llx_onlinesignature
   ip						varchar(128),
   pathoffile				varchar(255)
 )ENGINE=innodb;
-
-ALTER TABLE llx_knowledgemanagement_knowledgerecord ADD lang varchar(6);