diff --git a/mobile/lib/shared/services/sync.service.dart b/mobile/lib/shared/services/sync.service.dart
index ac01d05f5a..35b70f016e 100644
--- a/mobile/lib/shared/services/sync.service.dart
+++ b/mobile/lib/shared/services/sync.service.dart
@@ -574,7 +574,7 @@ class SyncService {
           return true;
         }
       },
-      onlyFirst: (Asset a) => throw Exception("programming error"),
+      onlyFirst: (Asset a) => {},
       onlySecond: (Asset b) => toUpsert.add(b),
     );
     return Pair(existing, toUpsert);