diff --git a/support/platform/test/unittest/common/hdf_uart_test.cpp b/support/platform/test/unittest/common/hdf_uart_test.cpp
index 083b0ea7..b08aabe8 100644
--- a/support/platform/test/unittest/common/hdf_uart_test.cpp
+++ b/support/platform/test/unittest/common/hdf_uart_test.cpp
@@ -18,7 +18,6 @@
 
 using namespace testing::ext;
 
-static int g_uartFd;
 static const string HDF_TEST_NAME  = "/dev/hdf_test";
 
 enum HdfLiteUartTestCmd {
diff --git a/support/posix/test/unittest/common/hdf_osal_test.cpp b/support/posix/test/unittest/common/hdf_osal_test.cpp
index 0f904f28..7aa9d416 100644
--- a/support/posix/test/unittest/common/hdf_osal_test.cpp
+++ b/support/posix/test/unittest/common/hdf_osal_test.cpp
@@ -19,8 +19,11 @@
 
 using namespace testing::ext;
 
+#ifndef __LITEOS__
 static const char *OSAL_FW_PATH = "/lib/firmware";
 static const int OSAL_FW_PATH_MODE = 0x777;
+#endif
+
 #define OSAL_TEST_FUNC_DEFINE(subCmd) do { \
     struct HdfTestMsg msg = { TEST_OSAL_ITEM, subCmd, -1 }; \
     printf("OSAL test enter cmd:%d\n\r", subCmd); \