diff --git a/include/common/tdataformat.h b/include/common/tdataformat.h
index 311eb72b4d..a304dd93b2 100644
--- a/include/common/tdataformat.h
+++ b/include/common/tdataformat.h
@@ -200,8 +200,8 @@ struct STag {
 #if 1  //================================================================================================================================================
 // Imported since 3.0 and use bitmap to demonstrate None/Null/Norm, while use Null/Norm below 3.0 without of bitmap.
 #define TD_SUPPORT_BITMAP
-#define TD_SUPPORT_READ2
-#define TD_SUPPORT_BACK2  // suppport back compatibility of 2.0
+#undef TD_SUPPORT_READ2
+#undef TD_SUPPORT_BACK2  // suppport back compatibility of 2.0
 
 #define TASSERT(x) ASSERT(x)