diff --git a/core/src/cache/DataObj.h b/core/src/cache/DataObj.h
index 3aea7dea24..a4d65c44ba 100644
--- a/core/src/cache/DataObj.h
+++ b/core/src/cache/DataObj.h
@@ -20,6 +20,7 @@ class DataObj {
  public:
     virtual int64_t
     Size() = 0;
+    virtual ~DataObj() = default;
 };
 
 using DataObjPtr = std::shared_ptr<DataObj>;