diff --git a/db/range_del_aggregator.cc b/db/range_del_aggregator.cc
index 10d22fbb6..fdd847a7a 100644
--- a/db/range_del_aggregator.cc
+++ b/db/range_del_aggregator.cc
@@ -536,11 +536,4 @@ bool RangeDelAggregator::IsEmpty() {
   return true;
 }
 
-bool RangeDelAggregator::AddFile(uint64_t file_number) {
-  if (added_files_ == nullptr) {
-    added_files_.reset(new std::set<uint64_t>());
-  }
-  return added_files_->emplace(file_number).second;
-}
-
 }  // namespace rocksdb
diff --git a/db/range_del_aggregator.h b/db/range_del_aggregator.h
index 1c1402d29..f050e8917 100644
--- a/db/range_del_aggregator.h
+++ b/db/range_del_aggregator.h
@@ -6,7 +6,6 @@
 #pragma once
 
 #include <map>
-#include <set>
 #include <string>
 #include <vector>
 
@@ -141,7 +140,6 @@ class RangeDelAggregator {
                     CompactionIterationStats* range_del_out_stats = nullptr,
                     bool bottommost_level = false);
   bool IsEmpty();
-  bool AddFile(uint64_t file_number);
 
  private:
   // Maps tombstone user start key -> tombstone object
@@ -182,10 +180,6 @@ class RangeDelAggregator {
   const InternalKeyComparator& icmp_;
   // collapse range deletions so they're binary searchable
   const bool collapse_deletions_;
-
-  // Record files whose tombstones have been added, to avoid duplicate adding.
-  // Same as rep_, we initializes it lazily.
-  std::unique_ptr<std::set<uint64_t>> added_files_;
 };
 
 }  // namespace rocksdb
diff --git a/db/table_cache.cc b/db/table_cache.cc
index a3c02fa8b..a4f2b2ceb 100644
--- a/db/table_cache.cc
+++ b/db/table_cache.cc
@@ -247,15 +247,13 @@ InternalIterator* TableCache::NewIterator(
     }
   }
   if (s.ok() && range_del_agg != nullptr && !options.ignore_range_deletions) {
-    if (range_del_agg->AddFile(fd.GetNumber())) {
-      std::unique_ptr<InternalIterator> range_del_iter(
-          table_reader->NewRangeTombstoneIterator(options));
-      if (range_del_iter != nullptr) {
-        s = range_del_iter->status();
-      }
-      if (s.ok()) {
-        s = range_del_agg->AddTombstones(std::move(range_del_iter));
-      }
+    std::unique_ptr<InternalIterator> range_del_iter(
+        table_reader->NewRangeTombstoneIterator(options));
+    if (range_del_iter != nullptr) {
+      s = range_del_iter->status();
+    }
+    if (s.ok()) {
+      s = range_del_agg->AddTombstones(std::move(range_del_iter));
     }
   }