diff --git a/migrations/006_tokens_table.sql b/migrations/006_tokens_table.sql
new file mode 100644
index 0000000..c61181a
--- /dev/null
+++ b/migrations/006_tokens_table.sql
@@ -0,0 +1,3 @@
+-- This change makes token management manual
+
+ALTER TABLE tokens DROP CONSTRAINT tokens_token_address_key;
\ No newline at end of file