diff --git a/testsuites/sample/cmsis/cmsis_func_test.c b/testsuites/sample/cmsis/cmsis_func_test.c
index 0bcfc9f91c214ccc0ab8b4f1c6e2a82900959ebd..f11604ec5c1c48a523a5d970625ca7517d4cb96e 100644
--- a/testsuites/sample/cmsis/cmsis_func_test.c
+++ b/testsuites/sample/cmsis/cmsis_func_test.c
@@ -352,15 +352,10 @@ LITE_TEST_CASE(CmsisFuncTestSuite, TestCmsis004, Function | MediumTest | Level1)
     ret = strcmp(staticBuff, strbuff);
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
 
-    ret = osMessageQueueDelete(msgQueueId);
-    ICUNIT_ASSERT_EQUAL(ret, osOK, ret);
-#endif
-    return LOS_OK;
-
 EXIT:
     ret = osMessageQueueDelete(msgQueueId);
     ICUNIT_ASSERT_EQUAL(ret, osOK, ret);
-
+#endif
     return LOS_OK;
 }
 
diff --git a/testsuites/sample/kernel/atomic/it_los_atomic_004.c b/testsuites/sample/kernel/atomic/it_los_atomic_004.c
index fdd7ae6e9d767543d67c235711264430824c61dd..e7cc8de2af575ec34823bcb79d69374608c60747 100644
--- a/testsuites/sample/kernel/atomic/it_los_atomic_004.c
+++ b/testsuites/sample/kernel/atomic/it_los_atomic_004.c
@@ -46,7 +46,7 @@ static VOID TaskF01(VOID)
     ICUNIT_ASSERT_EQUAL_VOID(g_testAtomicID03, i, g_testAtomicID03);
     ICUNIT_ASSERT_EQUAL_VOID(ret, g_testAtomicID03, ret);
 
-    LOS_AtomicAdd(&g_testCount, 1);
+    LOS_AtomicAdd((Atomic *)(&g_testCount), 1);
 }
 
 static UINT32 TestCase(VOID)
diff --git a/testsuites/sample/kernel/event/It_los_event_006.c b/testsuites/sample/kernel/event/It_los_event_006.c
index a1fd62fa195f7801c4d5e28e52e84fff5eab019d..8a95dc263a08c64a5a8e143de92901a6f2855bb0 100644
--- a/testsuites/sample/kernel/event/It_los_event_006.c
+++ b/testsuites/sample/kernel/event/It_los_event_006.c
@@ -33,7 +33,7 @@
 #include "osTest.h"
 #include "It_los_event.h"
 
-static VOID TaskF01()
+static VOID TaskF01(VOID)
 {
     UINT32 ret;
 
diff --git a/testsuites/sample/kernel/hwi/it_los_hwi_033.c b/testsuites/sample/kernel/hwi/it_los_hwi_033.c
index cd07c0fcf788748d4079ac9ca0ba2195f535b0ae..7502e3b9a378a0dbbbf673322c6e639da6323292 100644
--- a/testsuites/sample/kernel/hwi/it_los_hwi_033.c
+++ b/testsuites/sample/kernel/hwi/it_los_hwi_033.c
@@ -43,7 +43,6 @@ static VOID HwiF01(VOID)
 
     return;
 }
-#define HWI_NUM_INT0 HWI_NUM_TEST1
 static UINT32 Testcase(VOID)
 {
     UINT32 ret;
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue.h b/testsuites/sample/posix/mqueue/It_posix_queue.h
index 6a931ddabf77497c7bea9ea259cfadbb9c32ce99..3c9a7825101bb5aa89c33e65e5e20f57515b9447 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue.h
+++ b/testsuites/sample/posix/mqueue/It_posix_queue.h
@@ -40,6 +40,7 @@
 #include <signal.h>
 #include <osTest.h>
 #include "pthread.h"
+#include "unistd.h"
 
 #define MAXMSG5 5
 #define MSGLEN 10
@@ -60,15 +61,11 @@
 #define MQUEUE_MAX_NUM_TEST (LOSCFG_BASE_IPC_QUEUE_CONFIG - QUEUE_EXISTED_NUM)
 #define MQ_MAX_MSG_NUM 16
 #define MQ_MAX_MSG_LEN 64
-#define HWI_NUM_TEST 1
-#define HWI_NUM_TEST1 2
 
 #if (LOSCFG_LIBC_NEWLIB == 1)
 #define MQ_PRIO_MAX 1
 #endif
 
-#define LOSCFG_BASE_IPC_QUEUE_CONFIG 1024
-
 #define LOS_AtomicInc(a) (++*(a))
 #define MqueueTaskDelay(tick) (usleep((tick) * 10000))
 
@@ -104,6 +101,7 @@ extern VOID ItSuitePosixMqueue(VOID);
 extern UINT32 PosixPthreadInit(pthread_attr_t *attr, int pri);
 extern UINT32 PosixPthreadDestroy(pthread_attr_t *attr, pthread_t thread);
 extern VOID TestAssertWaitDelay(UINT32 *testCount, UINT32 flag);
+extern VOID TestExtraTaskDelay(UINT32 tick);
 
 VOID ItPosixQueue001(VOID);
 VOID ItPosixQueue002(VOID);
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_030.c b/testsuites/sample/posix/mqueue/It_posix_queue_030.c
index 0d88d590533e518b5d391c97f6b1e035cf8f9aa0..f5124d22f347ba15d11edbb5d601fb6641b09342 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_030.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_030.c
@@ -34,8 +34,6 @@ static UINT32 Testcase(VOID)
     CHAR qname[MQUEUE_STANDARD_NAME_LENGTH] = "";
     const CHAR *msgptr = MQUEUE_SEND_STRING_TEST;
     mqd_t queue;
-    INT32 unresolved = 0;
-    INT32 failure = 0;
     INT32 ret = 0;
 
     ret = snprintf_s(qname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1, \
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_039.c b/testsuites/sample/posix/mqueue/It_posix_queue_039.c
index a56d0dee117f4b71d4fea28aacdfca0dd43dca6e..99be503e94d4e8e6d0f8b93abe2fbd5b18268300 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_039.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_039.c
@@ -34,8 +34,6 @@ static UINT32 Testcase(VOID)
     CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH], msgrv[MQUEUE_STANDARD_NAME_LENGTH];
     mqd_t mqdes;
     struct mq_attr attr = {0};
-    INT32 unresolved = 0;
-    INT32 failure = 0;
     INT32 ret = 0;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1, \
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_041.c b/testsuites/sample/posix/mqueue/It_posix_queue_041.c
index 7262e6799a0a1a73fa81feb84d58ce67d9b37702..13247092913050490d2c302672863292400f5c0a 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_041.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_041.c
@@ -35,8 +35,6 @@ static UINT32 Testcase(VOID)
     mqd_t mqdes;
     CHAR msgrv[MQUEUE_STANDARD_NAME_LENGTH];
     struct mq_attr attr = {0};
-    INT32 unresolved = 0;
-    INT32 failure = 0;
     INT32 ret = 0;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1, \
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_045.c b/testsuites/sample/posix/mqueue/It_posix_queue_045.c
index 703195c9a2bd3a90a64916fee17d74fea736edc7..463fa28a4ffe11dd030708a58f68f691f097ad90 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_045.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_045.c
@@ -34,8 +34,6 @@ static UINT32 Testcase(VOID)
     CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = "";
     mqd_t mqdes;
     struct mq_attr mqstat, nmqstat;
-    INT32 unresolved = 0;
-    INT32 failure = 0;
     INT32 ret = 0;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1, \
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_048.c b/testsuites/sample/posix/mqueue/It_posix_queue_048.c
index 7002ae78325b02e76362223403983dd678e952b0..baa7c78716fdbb404a87cd30a0df1cba235dc887 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_048.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_048.c
@@ -35,8 +35,6 @@ static UINT32 Testcase(VOID)
     mqd_t mqdes;
     struct mq_attr mqstat = {0};
     struct mq_attr nmqstat = {0};
-    INT32 unresolved = 0;
-    INT32 failure = 0;
     INT32 ret = 0;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1, \
diff --git a/testsuites/sample/posix/pthread/It_posix_pthread.h b/testsuites/sample/posix/pthread/It_posix_pthread.h
index be4c7157df585f43ac5a002b4311ede1a9e48af3..26d764b38b5cfd9f731a11ceedd9d5799b360a02 100644
--- a/testsuites/sample/posix/pthread/It_posix_pthread.h
+++ b/testsuites/sample/posix/pthread/It_posix_pthread.h
@@ -42,11 +42,6 @@
 #include "mqueue.h"
 #include "signal.h"
 
-/* Some routines are part of the XSI Extensions */
-#ifndef WITHOUT_XOPEN
-#define _XOPEN_SOURCE 600
-#endif
-
 #define PTHREAD_IS_ERROR (-1)
 #define PTHREAD_PRIORITY_TEST 20
 #define PTHREAD_DEFAULT_STACK_SIZE (LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE)
@@ -71,9 +66,6 @@
 /* We are testing conformance to IEEE Std 1003.1, 2003 Edition */
 #define _POSIX_C_SOURCE 200112L
 
-#define PTHREAD_MUTEX_RECURSIVE 0
-#define PTHREAD_MUTEX_ERRORCHECK 0
-
 #define PRIORITY_OTHER (-1)
 #define PRIORITY_FIFO 20
 #define PRIORITY_RR 20
diff --git a/testsuites/src/iCunit.c b/testsuites/src/iCunit.c
index 8a96e1a19847c8ee896fd2df80a38d67be2b7d88..e9578c7947ed5a947f82d85947fe43a450e2d872 100644
--- a/testsuites/src/iCunit.c
+++ b/testsuites/src/iCunit.c
@@ -102,7 +102,7 @@ char *g_strType[] = {
     "FUNCTION", "PRESSURE", "PERFORMANCE"
 };
 
-iUINT32 ICunitRunF()
+iUINT32 ICunitRunF(void)
 {
     iUINT32 idx, idx1;
     ICUNIT_CASE_S *psubCaseArray;
diff --git a/testsuites/src/osTest.c b/testsuites/src/osTest.c
index 62a60a72d1401608b7125aa7dc56f69f15e9cb07..4ac14f1583200ddae26e7c72cf942500993f6e9e 100644
--- a/testsuites/src/osTest.c
+++ b/testsuites/src/osTest.c
@@ -231,7 +231,7 @@ void TestCmsis2(void)
 }
 #endif
 
-VOID TestTaskEntry()
+VOID TestTaskEntry(void)
 {
     PRINTF("\t\n --- Test Start --- \n\n");
     ICunitInit();
diff --git a/testsuites/unittest/posix/src/kernel_test.h b/testsuites/unittest/posix/src/kernel_test.h
index e98387d0d282beab04794a51d0fbd8b026a79b77..b59c16d9278f2d5f87c37bd7f80c868aa2b2c7e3 100644
--- a/testsuites/unittest/posix/src/kernel_test.h
+++ b/testsuites/unittest/posix/src/kernel_test.h
@@ -42,8 +42,6 @@
 #define DELAY_TICKS_5 5
 #define DELAY_TICKS_10 10
 
-#define TEST_TASK_STACK_SIZE      0x600
-#define TASK_LOOP_NUM         0x10000000
 #define TEST_TIME 10
 #define THREAD_COUNT_MIN    3
 #define THREAD_COUNT_MAX    30
diff --git a/testsuites/unittest/posix/src/stdlib/strtoull_test.c b/testsuites/unittest/posix/src/stdlib/strtoull_test.c
index 7c545b61e5e4b56b0b216cf90d3fce3ff2bdc6c8..4555297fee8b5e207e2d9d13cee69ab3d60701c1 100644
--- a/testsuites/unittest/posix/src/stdlib/strtoull_test.c
+++ b/testsuites/unittest/posix/src/stdlib/strtoull_test.c
@@ -48,25 +48,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStdlibStrtoullTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdlibStrtoullTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStdlibStrtoullTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_STDLIB_STRTOULL_001
  * @tc.name      : convert string by Strtoull
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/strstr_test.c b/testsuites/unittest/posix/src/string/strstr_test.c
index ddc52e22dafd69106f2892fa074c9c90a7ec38b7..9579ea91214860af7751d354ecf8aff3329720ff 100644
--- a/testsuites/unittest/posix/src/string/strstr_test.c
+++ b/testsuites/unittest/posix/src/string/strstr_test.c
@@ -45,25 +45,6 @@
  */
 LITE_TEST_SUIT(Posix, Posixtimer, PosixStringStrStrTest);
 
-/* *
- * @tc.setup     : setup for all testcases
- * @return       : setup result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringStrStrTestSetUp(void)
-{
-    return TRUE;
-}
-
-/* *
- * @tc.teardown  : teardown for all testcases
- * @return       : teardown result, TRUE is success, FALSE is fail
- */
-static BOOL PosixStringStrStrTestTearDown(void)
-{
-    LOG("+-------------------------------------------+\n");
-    return TRUE;
-}
-
 /* *
  * @tc.number    : TEST_STRING_STRSTR_001
  * @tc.name      : find the first occurrence of sub-string in a string