diff --git a/sql/clean-model.sql b/sql/clean-model.sql
new file mode 100644
index 00000000000..7328f6b4909
--- /dev/null
+++ b/sql/clean-model.sql
@@ -0,0 +1,4 @@
+
+SELECT model, res_id, module FROM ir_model_data 
+	WHERE model = 'ir.actions.act_window' 
+	  AND NOT EXISTS (SELECT 1 FROM ir_act_window WHERE id = ir_model_data.res_id);
\ No newline at end of file