diff --git a/product/CMFActivity/skins/activity/SQLDict_reserveMessageList.zsql b/product/CMFActivity/skins/activity/SQLDict_reserveMessageList.zsql
index 94f68e4dbea6e7b4b8ef8cbe79a6b74430321d33..02e5e49f8421ed576a1e22451b561c4f47f6bd34 100644
--- a/product/CMFActivity/skins/activity/SQLDict_reserveMessageList.zsql
+++ b/product/CMFActivity/skins/activity/SQLDict_reserveMessageList.zsql
@@ -12,8 +12,6 @@ to_date
 limit
 group_method_id
 order_validation_text</params>
-LOCK TABLE message WRITE
-<dtml-var sql_delimiter>
 UPDATE
   message
 SET
diff --git a/product/CMFActivity/skins/activity/SQLQueue_reserveMessageList.zsql b/product/CMFActivity/skins/activity/SQLQueue_reserveMessageList.zsql
index 74c67108208f03ddf7cbdf4847ad4412be70123c..1d6d482baa676f21f704e0af54d36ba1b387d881 100644
--- a/product/CMFActivity/skins/activity/SQLQueue_reserveMessageList.zsql
+++ b/product/CMFActivity/skins/activity/SQLQueue_reserveMessageList.zsql
@@ -11,8 +11,6 @@ class_file:
 to_date
 limit
 </params>
-LOCK TABLE message_queue WRITE
-<dtml-var sql_delimiter>
 UPDATE
   message_queue
 SET