diff --git a/sqldb/migrations_dev.go b/sqldb/migrations_dev.go
index 7b02b151f..dca536531 100644
--- a/sqldb/migrations_dev.go
+++ b/sqldb/migrations_dev.go
@@ -22,4 +22,9 @@ var migrationAdditions = []MigrationConfig{
 		// schema. This is optional and can be disabled by the
 		// user if necessary.
 	},
+	{
+		Name:          "000012_drop_redundant_invoice_indexes",
+		Version:       15,
+		SchemaVersion: 12,
+	},
 }
diff --git a/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.down.sql b/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.down.sql
new file mode 100644
index 000000000..92e8599e0
--- /dev/null
+++ b/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.down.sql
@@ -0,0 +1,4 @@
+CREATE INDEX IF NOT EXISTS invoices_hash_idx ON invoices(hash);
+CREATE INDEX IF NOT EXISTS invoices_payment_addr_idx ON invoices(payment_addr);
+CREATE INDEX IF NOT EXISTS invoices_preimage_idx ON invoices(preimage);
+CREATE INDEX IF NOT EXISTS invoices_settled_at_idx ON invoices(settled_at);
diff --git a/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.up.sql b/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.up.sql
new file mode 100644
index 000000000..fa6a0e2f7
--- /dev/null
+++ b/sqldb/sqlc/migrations/000012_drop_redundant_invoice_indexes.up.sql
@@ -0,0 +1,16 @@
+-- invoices_hash_idx is redundant: The UNIQUE constraint on invoices(hash)
+-- already creates an implicit index.
+DROP INDEX IF EXISTS invoices_hash_idx;
+
+-- invoices_payment_addr_idx is redundant: The UNIQUE constraint on
+-- invoices(payment_addr) already creates an implicit index.
+DROP INDEX IF EXISTS invoices_payment_addr_idx;
+
+-- invoices_preimage_idx is useless: There are no queries that filter on 
+-- preimage so there is no need to index it.
+DROP INDEX IF EXISTS invoices_preimage_idx;
+
+-- invoices_settled_at_idx is useless: settled_at is NULL for all pending
+-- invoices and is never used as a filter in any query (settle_index is used
+-- instead).
+DROP INDEX IF EXISTS invoices_settled_at_idx;