diff --git a/server/src/dtos/sync.dto.ts b/server/src/dtos/sync.dto.ts
index 2167d8b04a..c7333f6dea 100644
--- a/server/src/dtos/sync.dto.ts
+++ b/server/src/dtos/sync.dto.ts
@@ -420,12 +420,6 @@ class SyncPersonDeleteV1 extends createZodDto(SyncPersonDeleteV1Schema) {}
 class SyncAssetFaceV1 extends createZodDto(SyncAssetFaceV1Schema) {}
 @ExtraModel()
 class SyncAssetFaceV2 extends createZodDto(SyncAssetFaceV2Schema) {}
-
-export function syncAssetFaceV2ToV1(faceV2: SyncAssetFaceV2): SyncAssetFaceV1 {
-  const { deletedAt: _, isVisible: __, ...faceV1 } = faceV2;
-
-  return faceV1;
-}
 @ExtraModel()
 class SyncAssetFaceDeleteV1 extends createZodDto(SyncAssetFaceDeleteV1Schema) {}
 @ExtraModel()
diff --git a/server/src/services/sync.service.ts b/server/src/services/sync.service.ts
index 856f6420c0..68c127eb56 100644
--- a/server/src/services/sync.service.ts
+++ b/server/src/services/sync.service.ts
@@ -8,7 +8,6 @@ import {
   SyncAckDeleteDto,
   SyncAckSetDto,
   syncAlbumV2ToV1,
-  syncAssetFaceV2ToV1,
   SyncAssetV2,
   SyncItem,
   SyncStreamDto,
@@ -268,7 +267,7 @@ export class SyncService extends BaseService {
     }
   }
 
-  private async syncAssetsV1() {
+  private syncAssetsV1(): Promise<void> {
     throw new BadRequestException('SyncRequestType.AssetsV1 is deprecated, use SyncRequestType.AssetsV2 instead');
   }
 
@@ -286,7 +285,7 @@ export class SyncService extends BaseService {
     }
   }
 
-  private async syncPartnerAssetsV1() {
+  private syncPartnerAssetsV1(): Promise<void> {
     throw new BadRequestException(
       'SyncRequestType.PartnerAssetsV1 is deprecated, use SyncRequestType.PartnerAssetsV2 instead',
     );
@@ -508,7 +507,7 @@ export class SyncService extends BaseService {
     }
   }
 
-  private async syncAlbumAssetsV1() {
+  private syncAlbumAssetsV1(): Promise<void> {
     throw new BadRequestException(
       'SyncRequestType.AlbumAssetsV1 is deprecated, use SyncRequestType.AlbumAssetsV2 instead',
     );
@@ -826,7 +825,7 @@ export class SyncService extends BaseService {
     }
   }
 
-  private async syncAssetFacesV1() {
+  private syncAssetFacesV1(): Promise<void> {
     throw new BadRequestException(
       'SyncRequestType.AssetFacesV1 is deprecated, use SyncRequestType.AssetFacesV2 instead',
     );