diff --git a/src/paimon/core/realtime/arrow_deduplicate_realtime_store.cpp b/src/paimon/core/realtime/arrow_deduplicate_realtime_store.cpp
index 9d44f8e6c..a19368157 100644
--- a/src/paimon/core/realtime/arrow_deduplicate_realtime_store.cpp
+++ b/src/paimon/core/realtime/arrow_deduplicate_realtime_store.cpp
@@ -283,7 +283,7 @@ ArrowDeduplicateRealtimeStore::AcquireKeyOffsetLookup() {
 }
 
 Status ArrowDeduplicateRealtimeStore::EnsureMutableDeletionBitmap() {
-    if (!pending_offset_deletions_.unique()) {
+    if (pending_offset_deletions_.use_count() != 1) {
         pending_offset_deletions_ = std::make_shared<RoaringBitmap64>(*pending_offset_deletions_);
     }
     return Status::OK();
diff --git a/src/paimon/core/realtime/realtime_key_offset_index.cpp b/src/paimon/core/realtime/realtime_key_offset_index.cpp
index c57a41fd0..1a4a347b4 100644
--- a/src/paimon/core/realtime/realtime_key_offset_index.cpp
+++ b/src/paimon/core/realtime/realtime_key_offset_index.cpp
@@ -64,7 +64,7 @@ Result<std::vector<uint64_t>> MutableKeyOffsetIndex::HashKeys(
 }
 
 Status MutableKeyOffsetIndex::EnsureMutable() {
-    if (offsets_.unique()) {
+    if (offsets_.use_count() == 1) {
         return Status::OK();
     }
     PAIMON_ASSIGN_OR_RAISE(