diff --git a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
index 65a71c6..7c2e450 100644
--- a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
+++ b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
@@ -523,13 +523,6 @@ export class BlobstorageService {
 
     // アカウントIDをもとにblobのリージョンマッピング用テーブルからストレージアカウントの情報を取得する
     const containerName = `account-${accountId}`;
-    if (accountId) {
-      const blobService = new BlobServiceClient(
-        '',
-        new StorageSharedKeyCredential('', ''),
-      );
-      return blobService.getContainerClient(containerName);
-    }
 
     if (BLOB_STORAGE_REGION_US.includes(country)) {
       return this.blobServiceClientUS.getContainerClient(containerName);