diff --git a/administrator/components/com_admin/sql/updates/mysql/4.0.0-2020-06-25.sql b/administrator/components/com_admin/sql/updates/mysql/4.0.0-2020-06-25.sql
deleted file mode 100644
index 2c2ca01fe72f9..0000000000000
--- a/administrator/components/com_admin/sql/updates/mysql/4.0.0-2020-06-25.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-ALTER TABLE `#__template_styles` ADD COLUMN `inheritable` tinyint(1) NOT NULL DEFAULT 0;
-ALTER TABLE `#__template_styles` ADD COLUMN `parent` varchar(50) DEFAULT '';
diff --git a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql b/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql
deleted file mode 100644
index 3eab6a153be29..0000000000000
--- a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-ALTER TABLE "#__template_styles" ADD COLUMN "inheritable" smallint NOT NULL DEFAULT 0;
-ALTER TABLE "#__template_styles" ADD COLUMN "parent" varchar(50) DEFAULT '';