diff --git a/indexer/db/migrations/001_initial.sql b/indexer/db/migrations/001_initial.sql
index 1d81004..3ddc760 100644
--- a/indexer/db/migrations/001_initial.sql
+++ b/indexer/db/migrations/001_initial.sql
@@ -16,8 +16,6 @@ CREATE TABLE IF NOT EXISTS invoices (
     repaid_at BIGINT
 );
 
-ALTER TABLE invoices ADD COLUMN IF NOT EXISTS buyer_confirmed_at BIGINT;
-
 CREATE TABLE IF NOT EXISTS pool_snapshots (
     id INTEGER PRIMARY KEY,
     total_deposits NUMERIC NOT NULL DEFAULT 0,
diff --git a/indexer/db/migrations/002_checkpoint.sql b/indexer/db/migrations/006_checkpoint.sql
similarity index 100%
rename from indexer/db/migrations/002_checkpoint.sql
rename to indexer/db/migrations/006_checkpoint.sql
diff --git a/indexer/db/migrations/007_add_events_log_contract_id_index.sql b/indexer/db/migrations/007_add_events_log_contract_id_index.sql
new file mode 100644
index 0000000..b04bf93
--- /dev/null
+++ b/indexer/db/migrations/007_add_events_log_contract_id_index.sql
@@ -0,0 +1 @@
+CREATE INDEX IF NOT EXISTS idx_events_log_contract_id ON events_log(contract_id);