diff --git a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.cpp b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.cpp
index 9b802490e6a..7124b6bfda0 100644
--- a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.cpp
+++ b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.cpp
@@ -153,23 +153,6 @@ void ReplicatedMergeTreeCleanupThread::clearOldLogs()
 }
 
 
-void ReplicatedMergeTreeCleanupThread::markLostReplicas(std::unordered_map<String, UInt64> log_pointers_lost_replicas, String remove_border)
-{
-    auto zookeeper = storage.getZooKeeper();
-
-    zkutil::Requests ops;
-
-    for (auto pair : log_pointers_lost_replicas)
-    {
-        if ("log-" + padIndex(pair.second) <= remove_border)
-            ops.emplace_back(zkutil::makeCreateRequest(storage.zookeeper_path + "/replicas/" + pair.first + "/is_lost", "",
-                zkutil::CreateMode::Persistent));
-    }
-
-    auto code = zookeeper->multi(ops);
-}
-
-
 struct ReplicatedMergeTreeCleanupThread::NodeWithStat
 {
     String node;
diff --git a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.h b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.h
index 0154e7caf08..7d45a158c4c 100644
--- a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.h
+++ b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeCleanupThread.h
@@ -39,10 +39,6 @@ private:
     /// Remove old records from ZooKeeper.
     void clearOldLogs();
 
-    /// We don't want to keep logs for inactive replicas.
-    /// We mark these replicas as lost.
-    void markLostReplicas(std::unordered_map<String, UInt64> log_pointers_lost_replicas, String remove_border);
-
     /// Remove old block hashes from ZooKeeper. This is done by the leader replica.
     void clearOldBlocks();