diff --git a/administrator/components/com_admin/sql/updates/mysql/3.4.2-2015-05-03.sql b/administrator/components/com_admin/sql/updates/mysql/3.4.2-2015-05-03.sql
deleted file mode 100644
index e2921fc346193..0000000000000
--- a/administrator/components/com_admin/sql/updates/mysql/3.4.2-2015-05-03.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`, `client_id`, `enabled`, `access`, `protected`, `manifest_cache`, `params`, `custom_data`, `system_data`, `checked_out`, `checked_out_time`, `ordering`, `state`) VALUES
-(452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0);
diff --git a/administrator/components/com_admin/sql/updates/mysql/3.5.0-2015-11-04.sql b/administrator/components/com_admin/sql/updates/mysql/3.5.0-2015-11-04.sql
index 540db50fdb0ae..41eb98fccb3b7 100644
--- a/administrator/components/com_admin/sql/updates/mysql/3.5.0-2015-11-04.sql
+++ b/administrator/components/com_admin/sql/updates/mysql/3.5.0-2015-11-04.sql
@@ -1 +1,4 @@
 DELETE FROM `#__menu` WHERE `title` = 'com_messages_read' AND `client_id` = 1;
+
+INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`, `client_id`, `enabled`, `access`, `protected`, `manifest_cache`, `params`, `custom_data`, `system_data`, `checked_out`, `checked_out_time`, `ordering`, `state`) VALUES
+(452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0);
diff --git a/administrator/components/com_admin/sql/updates/postgresql/3.4.2-2015-05-03.sql b/administrator/components/com_admin/sql/updates/postgresql/3.4.2-2015-05-03.sql
deleted file mode 100644
index 895cf8faf99e6..0000000000000
--- a/administrator/components/com_admin/sql/updates/postgresql/3.4.2-2015-05-03.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
-(452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
diff --git a/administrator/components/com_admin/sql/updates/postgresql/3.5.0-2015-11-04.sql b/administrator/components/com_admin/sql/updates/postgresql/3.5.0-2015-11-04.sql
index 17eb9575d115f..492e6a06219fd 100644
--- a/administrator/components/com_admin/sql/updates/postgresql/3.5.0-2015-11-04.sql
+++ b/administrator/components/com_admin/sql/updates/postgresql/3.5.0-2015-11-04.sql
@@ -1 +1,4 @@
 DELETE FROM "#__menu" WHERE "title" = 'com_messages_read' AND "client_id" = 1;
+
+INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
+(452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
diff --git a/administrator/components/com_admin/sql/updates/sqlazure/3.4.2-2015-05-03.sql b/administrator/components/com_admin/sql/updates/sqlazure/3.4.2-2015-05-03.sql
deleted file mode 100644
index 0435fa8fa6402..0000000000000
--- a/administrator/components/com_admin/sql/updates/sqlazure/3.4.2-2015-05-03.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-SET IDENTITY_INSERT [#__extensions]  ON;
-
-INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])
-SELECT 452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
-
-SET IDENTITY_INSERT [#__extensions]  OFF;
diff --git a/administrator/components/com_admin/sql/updates/sqlazure/3.5.0-2015-11-04.sql b/administrator/components/com_admin/sql/updates/sqlazure/3.5.0-2015-11-04.sql
index 6ebe3f0256e30..4403fa83d4575 100644
--- a/administrator/components/com_admin/sql/updates/sqlazure/3.5.0-2015-11-04.sql
+++ b/administrator/components/com_admin/sql/updates/sqlazure/3.5.0-2015-11-04.sql
@@ -1 +1,8 @@
 DELETE FROM [#__menu] WHERE [title] = 'com_messages_read' AND [client_id] = 1;
+
+SET IDENTITY_INSERT [#__extensions]  ON;
+
+INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])
+SELECT 452, 'plg_system_updatenotification', 'plugin', 'updatenotification', 'system', 0, 1, 1, 0, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
+
+SET IDENTITY_INSERT [#__extensions]  OFF;