diff --git a/src/client/inc/tscSubquery.h b/src/client/inc/tscSubquery.h
index 598ff94835ab5e7bb4f6f1af8fceb036c6e4029b..f7832c9818226d19ba1e20cb47fa17c5bfb0f611 100644
--- a/src/client/inc/tscSubquery.h
+++ b/src/client/inc/tscSubquery.h
@@ -42,7 +42,6 @@ void tscBuildResFromSubqueries(SSqlObj *pSql);
 TAOS_ROW doSetResultRowData(SSqlObj *pSql);
 
 char *getArithmeticInputSrc(void *param, const char *name, int32_t colId);
-void doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize);
 
 #ifdef __cplusplus
 }