diff --git a/dbms/src/Storages/DeltaMerge/ColumnFile/ColumnFilePersisted.cpp b/dbms/src/Storages/DeltaMerge/ColumnFile/ColumnFilePersisted.cpp
index 35a4ccef620..c2995080b05 100644
--- a/dbms/src/Storages/DeltaMerge/ColumnFile/ColumnFilePersisted.cpp
+++ b/dbms/src/Storages/DeltaMerge/ColumnFile/ColumnFilePersisted.cpp
@@ -200,7 +200,6 @@ ColumnFilePersisteds createColumnFilesFromCheckpoint( //
     DeltaFormat::Version version;
     readIntBinary(version, buf);
 
-    ColumnFilePersisteds column_files;
     switch (version)
     {
     case DeltaFormat::V3: