diff --git a/testsuites/unittest/posix/src/ctype/ctype_func_test.c b/testsuites/unittest/posix/src/ctype/ctype_func_test.c
index 6e808b0b324997d9c48c117aafde9f40dd5ec77d..98c2497ad17df6c0ee904f4f62227b850e7f1a5a 100644
--- a/testsuites/unittest/posix/src/ctype/ctype_func_test.c
+++ b/testsuites/unittest/posix/src/ctype/ctype_func_test.c
@@ -47,25 +47,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixctype, PosixCtypeFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCtypeFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCtypeFuncTestSuiteTearDown(void)
-{
-    printf("==== [ Ctype TEST ] ====\n\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number TEST_CTYPE_ISALNUM_001
  * @tc.name   ctype_isalnum test with not exist pid
diff --git a/testsuites/unittest/posix/src/ctype/isdigit_test.c b/testsuites/unittest/posix/src/ctype/isdigit_test.c
index a2291e5958c2b79a7f2983949a4fbcc6b16877c3..e9fdd764e52fd4dc184be717b626fb7004474ef9 100644
--- a/testsuites/unittest/posix/src/ctype/isdigit_test.c
+++ b/testsuites/unittest/posix/src/ctype/isdigit_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixCTypeIsdigitTest);
 
-/**
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIsdigitTestSetUp(void)
-{
-    return TRUE;
-}
-
-/**
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIsdigitTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /**
  * @tc.number    : TEST_CTYPE_ISDIGIT_001
  * @tc.name      : Checks whether a parameter is a decimal digit (0-9)
diff --git a/testsuites/unittest/posix/src/ctype/islower_test.c b/testsuites/unittest/posix/src/ctype/islower_test.c
index 4460510286872e78c2e08e03441b205839816eec..311a9461b440ad04115777f1e4900932ddc80981 100644
--- a/testsuites/unittest/posix/src/ctype/islower_test.c
+++ b/testsuites/unittest/posix/src/ctype/islower_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixCTypeIslowerTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIslowerTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIslowerTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_CTYPE_ISLOWER_001
  * @tc.name      : Checks whether a parameter is a lowercase letter
diff --git a/testsuites/unittest/posix/src/ctype/isxdigit_test.c b/testsuites/unittest/posix/src/ctype/isxdigit_test.c
index 924973ea999fbf209578401f6d29290ea19a69c2..78c4784ac4cf1f0da2aed64795289c1ad0dc886c 100644
--- a/testsuites/unittest/posix/src/ctype/isxdigit_test.c
+++ b/testsuites/unittest/posix/src/ctype/isxdigit_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixCTypeIsxdigitTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIsxdigitTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeIsxdigitTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_CTYPE_ISXDIGIT_001
  * @tc.name      : Checks whether a parameter is a hexadecimal digit
diff --git a/testsuites/unittest/posix/src/ctype/tolower_test.c b/testsuites/unittest/posix/src/ctype/tolower_test.c
index fb2ab4cb7037bdd03534d0baa5155f25f1d43e4e..6ef2159d154d372ab657664bf0f63d6247bb0920 100644
--- a/testsuites/unittest/posix/src/ctype/tolower_test.c
+++ b/testsuites/unittest/posix/src/ctype/tolower_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixCTypeTolowerTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeTolowerTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeTolowerTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_CTYPE_TOLOWER_001
  * @tc.name      : Converts an uppercase letter specified by c to its lowercase equivalent
diff --git a/testsuites/unittest/posix/src/ctype/toupper_test.c b/testsuites/unittest/posix/src/ctype/toupper_test.c
index bfc153fb95b2e3146fcc7328f001d4f52e20cc10..886aa6fc2a0205e80c7d0fbe599693b525793860 100644
--- a/testsuites/unittest/posix/src/ctype/toupper_test.c
+++ b/testsuites/unittest/posix/src/ctype/toupper_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixCTypeToupperTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeToupperTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixCTypeToupperTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_CTYPE_TOUPPER_001
  * @tc.name      : Converts a lowercase letter to uppercase equivalent
diff --git a/testsuites/unittest/posix/src/fs/posix_fs_func_test.c b/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
index d980df5b071b34b2948efe6c341003ea92a64f35..8b01b3cfdc4860fc95d7c89c8ceade286f7ff989 100644
--- a/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
+++ b/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
@@ -79,25 +79,6 @@ LITE_TEST_SUIT(Posix, PosixFs, PosixFsFuncTestSuite);
 #define TEST_MODE_NORMAL        0666
 #define TEST_MODE_HIGH          0777
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixFsFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixFsFuncTestSuiteTearDown(void)
-{
-    printf("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number   SUB_KERNEL_FS_FOPEN_FCLOSE_001
  * @tc.name     fopen and fclose
diff --git a/testsuites/unittest/posix/src/regex/regex_func_test.c b/testsuites/unittest/posix/src/regex/regex_func_test.c
index a3384a8c943714117e8e8e014b6a61b095efd9bc..39ce8092c9ae7519cef77f46d43383608375e357 100644
--- a/testsuites/unittest/posix/src/regex/regex_func_test.c
+++ b/testsuites/unittest/posix/src/regex/regex_func_test.c
@@ -49,30 +49,6 @@
  */
 LITE_TEST_SUIT(Posix, PosixRegexTest, PosixRegexFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixRegexFuncTestSuiteSetUp(void)
-{
-    LOG("+-------------------------------------------+\n");
-    LOG("+--------PosixRegexFuncTestSuiteSetUp-------+\n");
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixRegexFuncTestSuiteTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    LOG("+-------PosixRegexFuncTestSuiteTearDown-----+\n");
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 int TestRegex(int flag, const char *pattern, const char *buf, const int expectedStatus, const char *expectedRes)
 {
     regmatch_t pmatch[1];
diff --git a/testsuites/unittest/posix/src/semaphore/semaphore_func_test.c b/testsuites/unittest/posix/src/semaphore/semaphore_func_test.c
index b44533fe520c19d8abdd568ae0c6db498144f1ba..70c4ec0c3b6db182bd32b8fdc81db4729fe0f737 100644
--- a/testsuites/unittest/posix/src/semaphore/semaphore_func_test.c
+++ b/testsuites/unittest/posix/src/semaphore/semaphore_func_test.c
@@ -49,25 +49,6 @@
  */
 LITE_TEST_SUIT(Posix, PosixSemaphore, PosixSemaphoreFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixSemaphoreFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixSemaphoreFuncTestSuiteTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 // get cur-time plus ms
 struct timespec GetDelayedTime(unsigned int ms)
 {
diff --git a/testsuites/unittest/posix/src/stdarg/stdarg_func_test.c b/testsuites/unittest/posix/src/stdarg/stdarg_func_test.c
index 2e1429041cbd65b0367d218e8d039bed1e07b324..42f4967ed0cee536e52b6738af7f0cf017b41e7d 100644
--- a/testsuites/unittest/posix/src/stdarg/stdarg_func_test.c
+++ b/testsuites/unittest/posix/src/stdarg/stdarg_func_test.c
@@ -48,26 +48,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStdargFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdargFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdargFuncTestSuiteTearDown(void)
-{
-    printf("==== [ Stdarg TEST ] ====\n\n");
-    return TRUE;
-}
-
-
 int VaFunc(int argsNum, ...)
 {
     va_list vaP1;
diff --git a/testsuites/unittest/posix/src/stdlib/atol_test.c b/testsuites/unittest/posix/src/stdlib/atol_test.c
index 1568fd55fd7e77276da43b137b68f79a79f7501c..010f4869caf8dc8de12c44f6bfb04aaa5095eab2 100644
--- a/testsuites/unittest/posix/src/stdlib/atol_test.c
+++ b/testsuites/unittest/posix/src/stdlib/atol_test.c
@@ -46,25 +46,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStdlibAtolTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdlibAtolTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdlibAtolTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_STDLIB_ATOL_001
  * @tc.name      : convert string to long integer
diff --git a/testsuites/unittest/posix/src/string/memory_func_test.c b/testsuites/unittest/posix/src/string/memory_func_test.c
index 81f1bb62da0dbd46bb895ad0a6bf6d7df0c88d47..36f5d33a055d417915be3dea96b1a83d87d73dc2 100644
--- a/testsuites/unittest/posix/src/string/memory_func_test.c
+++ b/testsuites/unittest/posix/src/string/memory_func_test.c
@@ -45,26 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, PosixMemory, PosixMemFuncTestSuite);
 
-
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixMemFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixMemFuncTestSuiteTearDown(void)
-{
-    printf("+Hello this is a memory function test+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : SUB_KERNEL_POSIX_MEMCPY_OPERATION_001
  * @tc.name      : Memony operation for memcpy test
diff --git a/testsuites/unittest/posix/src/string/strchr_test.c b/testsuites/unittest/posix/src/string/strchr_test.c
index f5a95eff207209facb6d2e4e973ea196ce6dec2d..071e3d8e7d2be7f4474d47dfde9a3d30142fd8a4 100644
--- a/testsuites/unittest/posix/src/string/strchr_test.c
+++ b/testsuites/unittest/posix/src/string/strchr_test.c
@@ -46,25 +46,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStringStrchrTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringStrchrTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringStrchrTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_STRING_STRCHR_001
  * @tc.name      : find the first occurrence of a character in a string
diff --git a/testsuites/unittest/posix/src/string/string_func_test_01.c b/testsuites/unittest/posix/src/string/string_func_test_01.c
index e9ec2f706aabf1d27980543d794c25c1fe8240e9..0b4641b6dab5ff7d9b6bafe51a575ec75a67da04 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_01.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_01.c
@@ -46,25 +46,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStringFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringFuncTestSuiteTearDown(void)
-{
-    printf("==== [ String TEST ] ====\n\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number TEST_STRING_STRLEN_001
  * @tc.name   string_strlen error test with not exist pid
diff --git a/testsuites/unittest/posix/src/string/string_func_test_02.c b/testsuites/unittest/posix/src/string/string_func_test_02.c
index 31800f3b7ecdc01c64b390444925d45c70c3ad71..0a036656e280af011b99feff240da14196e69762 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_02.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_02.c
@@ -48,30 +48,6 @@
  */
 LITE_TEST_SUIT(Posix, PosixStrings, PosixStringsFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringsFuncTestSuiteSetUp(void)
-{
-    LOG("+-------------------------------------------+\n");
-    LOG("+------PosixStringsFuncTestSuiteSetUp-------+\n");
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringsFuncTestSuiteTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    LOG("+-----PosixStringsFuncTestSuiteTearDown-----+\n");
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number SUB_KERNEL_IO_STRINGS_0100
  * @tc.name   strcasecmp basic function test
diff --git a/testsuites/unittest/posix/src/string/string_func_test_03.c b/testsuites/unittest/posix/src/string/string_func_test_03.c
index b57737b6559dfd2c93f99ae728c38457355853e1..b61b24e31170781f57864ad7e560d259b7f2da42 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_03.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_03.c
@@ -46,26 +46,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixstring, PosixStringFuncTestSuite);
 
-
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringFuncTestSuiteTearDown(void)
-{
-    printf("+Hello this is a String  function test+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : SUB_KERNEL_POSIX_STRING_OPERATION_001
  * @tc.name      : Memony operation for strcmp test
diff --git a/testsuites/unittest/posix/src/time/time_func_test_01.c b/testsuites/unittest/posix/src/time/time_func_test_01.c
index bc980f0493a5eaddeac6303db7474f178091e4d5..e4d9a04fb6a00fe81303891bd893e414a2cf6dab 100644
--- a/testsuites/unittest/posix/src/time/time_func_test_01.c
+++ b/testsuites/unittest/posix/src/time/time_func_test_01.c
@@ -73,24 +73,6 @@
  */
 LITE_TEST_SUIT(Posix, PosixTime, PosixTimeFuncTestSuite);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixTimeFuncTestSuiteSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixTimeFuncTestSuiteTearDown(void)
-{
-    return TRUE;
-}
-
 static int KeepRun(int msec)
 {
     struct timespec time1 = { 0, 0 };