diff --git a/packages/backend/server/migrations/20240826033024_editor_record/migration.sql b/packages/backend/server/migrations/20240826033024_editor_record/migration.sql
index 13b0e31617..b4d8f93fd2 100644
--- a/packages/backend/server/migrations/20240826033024_editor_record/migration.sql
+++ b/packages/backend/server/migrations/20240826033024_editor_record/migration.sql
@@ -6,7 +6,7 @@ ALTER TABLE "snapshots" ADD COLUMN     "created_by" VARCHAR,
 ADD COLUMN     "updated_by" VARCHAR;
 
 -- AlterTable
-ALTER TABLE "updates" ADD COLUMN     "created_by" VARCHAR DEFAULT 'system';
+ALTER TABLE "updates" ADD COLUMN     "created_by" VARCHAR;
 
 -- AddForeignKey
 ALTER TABLE "snapshots" ADD CONSTRAINT "snapshots_created_by_fkey" FOREIGN KEY ("created_by") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;
diff --git a/packages/backend/server/schema.prisma b/packages/backend/server/schema.prisma
index aa326f2743..46fd4360fd 100644
--- a/packages/backend/server/schema.prisma
+++ b/packages/backend/server/schema.prisma
@@ -286,8 +286,7 @@ model Update {
   id          String   @map("guid") @db.VarChar
   blob        Bytes    @db.ByteA
   createdAt   DateTime @map("created_at") @db.Timestamptz(3)
-  // TODO(@darkskygit): fullfill old update, remove default value in next release
-  createdBy   String?  @default("system") @map("created_by") @db.VarChar
+  createdBy   String?  @map("created_by") @db.VarChar
 
   // will delete createor record if createor's account is deleted
   createdByUser User? @relation(name: "createdUpdate", fields: [createdBy], references: [id], onDelete: SetNull)