diff --git a/include/util/tdef.h b/include/util/tdef.h
index 43e809bd06..8371ee24bb 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -450,7 +450,6 @@ typedef enum ELogicConditionType {
 #define TSDB_MAX_VARBINARY_LEN TSDB_MAX_FIELD_LEN  // 16384-8:65519
 
 #define PRIMARYKEY_TIMESTAMP_COL_ID    1
-#define PRIMARYKEY_COL_ID              2  // for another primary key column in addition to timestamp
 #define COL_REACH_END(colId, maxColId) ((colId) > (maxColId))
 
 #ifdef WINDOWS