diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 5f888834eca1af3f2a21358a507ed9de7e4c5b37..2a68b3e1eaad5af75ef5bcd0431766b5b122998d 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -427,7 +427,6 @@ int32_t readFromFile(char *name, uint32_t *len, void **buf) {
     return TSDB_CODE_TSC_APP_ERROR;
   }
   close(fd);
-  tfree(*buf);
   return TSDB_CODE_SUCCESS;
 }