diff --git a/scrap_reason_code/__manifest__.py b/scrap_reason_code/__manifest__.py
index 7c487f505..bf5482a58 100644
--- a/scrap_reason_code/__manifest__.py
+++ b/scrap_reason_code/__manifest__.py
@@ -2,7 +2,7 @@
 
 {
     "name": "Scrap Reason Code",
-    "version": "13.0.1.1.1",
+    "version": "12.0.1.0.0",
     "license": "AGPL-3",
     "summary": "Reason code for scrapping",
     "author": "Open Source Integrators, Odoo Community Association (OCA)",
diff --git a/scrap_reason_code/migrations/13.0.1.1.0/pre-migration.py b/scrap_reason_code/migrations/13.0.1.1.0/pre-migration.py
deleted file mode 100644
index fce39cd22..000000000
--- a/scrap_reason_code/migrations/13.0.1.1.0/pre-migration.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# Copyright (C) 2019 IBM Corp.
-# Copyright (C) 2019 Open Source Integrators
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
-from openupgradelib import openupgrade
-
-_model_renames = [
-    ("reason.code", "scrap.reason.code"),
-]
-
-
-@openupgrade.migrate()
-def migrate(env, version):
-    openupgrade.rename_models(env.cr, _model_renames)