diff --git a/migrations/5_clear_old_tables.sql b/migrations/5_clear_old_tables.sql
new file mode 100644
index 0000000..b5591d5
--- /dev/null
+++ b/migrations/5_clear_old_tables.sql
@@ -0,0 +1,7 @@
+
+DROP TABLE IF EXISTS _sft_migtest_table;
+DROP TABLE IF EXISTS _sft_migtest_table2;
+DROP TABLE IF EXISTS _sft_migtest_table3;
+DROP TABLE IF EXISTS _sft_migtest_table4;
+
+INSERT INTO _sft_db (db_rev, sft_ver, applied_at) VALUES (5, "0.0.1-pre-alpha1", CURRENT_TIMESTAMP);