diff --git a/tests/script/output.txt b/tests/script/output.txt
deleted file mode 100644
index 0c7c386bbc..0000000000
--- a/tests/script/output.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-[03/30 08:08:52.140115] ERROR: failed to connect native (null):6030, code: 0x8000000b, reason: Unable to establish connection
-[03/30 08:08:52.140136] ERROR: insert test process failed
-[03/30 08:09:02.860424] ERROR: failed to connect native (null):6030, code: 0x8000000b, reason: Unable to establish connection
-[03/30 08:09:02.860445] ERROR: insert test process failed
-[03/30 08:10:57.082603] ERROR: failed to connect native (null):6030, code: 0x8000000b, reason: Unable to establish connection
-[03/30 08:10:57.082626] ERROR: insert test process failed
diff --git a/tests/script/sh/l2norm2.c b/tests/script/sh/l2norm2.c
deleted file mode 100644
index 0739f3a23b..0000000000
--- a/tests/script/sh/l2norm2.c
+++ /dev/null
@@ -1,71 +0,0 @@
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-
-#include "taosudf.h"
-
-DLL_EXPORT int32_t l2norm2_init() {
-  return 0;
-}
-
-DLL_EXPORT int32_t l2norm2_destroy() {
-  return 0;
-}
-
-DLL_EXPORT int32_t l2norm2_start(SUdfInterBuf *buf) {
-  *(int64_t*)(buf->buf) = 0;
-  buf->bufLen = sizeof(double);
-  buf->numOfResult = 1;
-  return 0;
-}
-
-DLL_EXPORT int32_t l2norm2(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInterBuf *newInterBuf) {
-  double sumSquares = *(double*)interBuf->buf;
-  int8_t numNotNull = 0;
-  for (int32_t i = 0; i < block->numOfCols; ++i) {
-    SUdfColumn* col = block->udfCols[i];
-    if (!(col->colMeta.type == TSDB_DATA_TYPE_INT || 
-          col->colMeta.type == TSDB_DATA_TYPE_DOUBLE)) {
-      return TSDB_CODE_UDF_INVALID_INPUT;
-    }
-  }
-  for (int32_t i = 0; i < block->numOfCols; ++i) {
-    for (int32_t j = 0; j < block->numOfRows; ++j) {
-      SUdfColumn* col = block->udfCols[i];
-      if (udfColDataIsNull(col, j)) {
-        continue;
-      }
-      switch (col->colMeta.type) {
-        case TSDB_DATA_TYPE_INT: {
-          char* cell = udfColDataGetData(col, j);
-          int32_t num = *(int32_t*)cell;
-          sumSquares += (double)num * num;
-          break;
-        }
-        case TSDB_DATA_TYPE_DOUBLE: {
-          char* cell = udfColDataGetData(col, j);
-          double num = *(double*)cell;
-          sumSquares += num * num;
-          break;
-        }
-        default: 
-          break;
-      }
-      ++numNotNull;
-    }
-  }
-
-  *(double*)(newInterBuf->buf) = sumSquares;
-  newInterBuf->bufLen = sizeof(double);
-  newInterBuf->numOfResult = 1;
-  return 0;
-}
-
-DLL_EXPORT int32_t l2norm2_finish(SUdfInterBuf* buf, SUdfInterBuf *resultData) {
-  double sumSquares = *(double*)(buf->buf);
-  *(double*)(resultData->buf) = sumSquares;
-  resultData->bufLen = sizeof(double);
-  resultData->numOfResult = 1;
-  return 0;
-}