diff --git a/schema/migration-2-0002-20200625.sql b/schema/migration-2-0002-20200625.sql
new file mode 100644
index 000000000..061c19bf0
--- /dev/null
+++ b/schema/migration-2-0002-20200625.sql
@@ -0,0 +1,20 @@
+-- Persistent generated migration.
+
+CREATE FUNCTION migrate() RETURNS void AS $$
+DECLARE
+  next_version int ;
+BEGIN
+  SELECT stage_two + 1 INTO next_version FROM schema_version ;
+  IF next_version = 2 THEN
+    EXECUTE 'CREATe TABLE "tx_body"("id" SERIAL8  PRIMARY KEY UNIQUE,"hash" hash32type NOT NULL,"body" bytea NOT NULL)' ;
+    EXECUTE 'ALTER TABLE "tx_body" ADD CONSTRAINT "unique_tx_body" UNIQUE("hash")' ;
+    -- Hand written SQL statements can be added here.
+    UPDATE schema_version SET stage_two = 2 ;
+    RAISE NOTICE 'DB has been migrated to stage_two version %', next_version ;
+  END IF ;
+END ;
+$$ LANGUAGE plpgsql ;
+
+SELECT migrate() ;
+
+DROP FUNCTION migrate() ;
diff --git a/schema/migration-4-0001-20200605.sql b/schema/migration-4-0001-20200605.sql
deleted file mode 100644
index 843ca6c7d..000000000
--- a/schema/migration-4-0001-20200605.sql
+++ /dev/null
@@ -1,30 +0,0 @@
--- Hand written migration because I cann't get the schema migration tool to work.
--- see doc/schema-management.md for context.
--- `cabal run cardano-db-sync-db-tool -- create-migration --mdir schema/` does not work.
--- I've tried running it from within nix-shell.  I get the following:
---
---
--- cabal: Could not resolve dependencies:
--- [__0] trying: cardano-binary-test-1.3.0 (user goal)
--- [__1] unknown package: quickcheck-instances (dependency of
--- cardano-binary-test)
--- [__1] fail (backjumping, conflict set: cardano-binary-test,
--- quickcheck-instances)
--- After searching the rest of the dependency tree exhaustively, these were the
--- goals I've had most trouble fulfilling: cardano-binary-test,
--- quickcheck-instances
-
-CREATE FUNCTION migrate() RETURNS void AS $$
-
-BEGIN
-  EXECUTE 'create table if not exists tx_body (id serial8 primary key unique, 
-                                 hash hash32type not null unique, 
-                                 body bytea not null)';
-  EXECUTE 'CREATE INDEX if not exists idx_tx_body_hash ON tx_body(hash);';
-END;
-
-$$ LANGUAGE plpgsql;
-
-SELECT migrate();
-
-DROP FUNCTION migrate();