diff --git a/api/src/app/app.module.ts b/api/src/app/app.module.ts
index 74661f86..abad4e2c 100644
--- a/api/src/app/app.module.ts
+++ b/api/src/app/app.module.ts
@@ -14,7 +14,6 @@ import { GraphQLModule } from '../graphql/graphql.module.js';
 import { StatsModule } from '../stats/stats.module.js';
 import { WalletSubscriptionModule } from '../wallet-subscription/wallet-subscription.module.js';
 import { NatsModule } from '../nats/nats.module.js';
-import { OlSwapModule } from '../ol-swap/OlSwapModule.js';
 import { MultiSigModule } from '../multi-sig/multi-sig.module.js';
 
 @Module({
@@ -44,7 +43,6 @@ import { MultiSigModule } from '../multi-sig/multi-sig.module.js';
     NodeWatcherModule,
     StatsModule,
     WalletSubscriptionModule,
-    OlSwapModule,
     NodeWatcherModule,
     MultiSigModule,
   ],
diff --git a/api/src/ol-swap/OlSwapModule.ts b/api/src/ol-swap/OlSwapModule.ts
deleted file mode 100644
index f7489d82..00000000
--- a/api/src/ol-swap/OlSwapModule.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import process from 'node:process';
-
-import { BullModule } from '@nestjs/bullmq';
-import { Module, Type } from '@nestjs/common';
-
-import { redisConnectionOptions } from '../redis/redis.service.js';
-
-import { ClickhouseModule } from '../clickhouse/clickhouse.module.js';
-import { OlSwapProcessor } from './OlSwapProcessor.js';
-
-const roles = process.env.ROLES!.split(',');
-
-const workers: Type<any>[] = [];
-if (roles.includes('swap-processor')) {
-  workers.push(OlSwapProcessor);
-}
-
-@Module({
-  imports: [
-    ClickhouseModule,
-
-    BullModule.registerQueue({
-      name: 'ol-swap',
-      connection: redisConnectionOptions,
-    }),
-  ],
-  providers: workers,
-})
-export class OlSwapModule {}
diff --git a/api/src/ol-swap/OlSwapProcessor.ts b/api/src/ol-swap/OlSwapProcessor.ts
deleted file mode 100644
index 63e985df..00000000
--- a/api/src/ol-swap/OlSwapProcessor.ts
+++ /dev/null
@@ -1,103 +0,0 @@
-import { InjectQueue, Processor, WorkerHost } from '@nestjs/bullmq';
-import { OnModuleInit } from '@nestjs/common';
-import { Job, Queue } from 'bullmq';
-import axios from 'axios';
-import { stringify as csvStringify } from 'csv-stringify/sync';
-import { ClickhouseService } from '../clickhouse/clickhouse.service.js';
-import Bluebird from 'bluebird';
-
-interface ChartData {
-  date: number;
-  open: string;
-  high: number;
-  low: number;
-  close: string;
-  volume: number;
-}
-
-@Processor('ol-swap')
-export class OlSwapProcessor extends WorkerHost implements OnModuleInit {
-  public constructor(
-    private readonly clickhouseService: ClickhouseService,
-
-    @InjectQueue('ol-swap')
-    private readonly olVersionQueue: Queue,
-  ) {
-    super();
-  }
-
-  public async process(job: Job<any, any, string>): Promise<any> {
-    switch (job.name) {
-      case 'getHistory':
-        try {
-          await Promise.race([
-            this.getHistory(),
-            // 1m timeout to avoid blocking the queue
-            Bluebird.delay(60 * 60 * 1_000),
-          ]);
-        } catch (error) {
-          // fail silently to avoid accumulating failed repeating jobs
-        }
-        break;
-
-      default:
-        throw new Error(`invalid job name ${job.name}`);
-    }
-  }
-
-  public async onModuleInit() {
-    await this.olVersionQueue.add('getHistory', undefined, {
-      repeat: {
-        every: 30 * 60 * 1_000, // 30 minutes
-      },
-    });
-    await this.getHistory();
-  }
-
-  private async getHistory() {
-    const res = await axios<ChartData[]>({
-      url: 'https://api.0lswap.com/orders/getChartData?interval=1h&market=OLUSDT',
-      signal: AbortSignal.timeout(5 * 60 * 1_000), // 5 minutes
-    });
-    await this.insertHistory(res.data);
-  }
-
-  private async insertHistory(data: ChartData[]) {
-    const payload = csvStringify(
-      data.map((it) => [it.date, it.volume, it.open, it.high, it.low, it.close]),
-    );
-
-    await this.clickhouseService.client.command({
-      query: `
-        INSERT INTO "ol_swap_1h" (
-          "timestamp",
-          "volume",
-          "open",
-          "high",
-          "low",
-          "close"
-        )
-        SELECT
-          "timestamp",
-          "volume",
-          "open",
-          "high",
-          "low",
-          "close"
-        FROM
-          format(
-            CSV,
-            $$
-              "timestamp" UInt64,
-              "volume" Decimal64(6),
-              "open" Decimal64(6),
-              "high" Decimal64(6),
-              "low" Decimal64(6),
-              "close" Decimal64(6)
-            $$,
-            $$${payload}$$
-          )
-      `,
-    });
-  }
-}
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..6c8cd6cf
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "libra-explorer",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}