diff --git a/rostests/apitests/crt/msvcrt_crt_apitest.cmake b/rostests/apitests/crt/msvcrt_crt_apitest.cmake
index 40f59c956d0..6da1664fe35 100644
--- a/rostests/apitests/crt/msvcrt_crt_apitest.cmake
+++ b/rostests/apitests/crt/msvcrt_crt_apitest.cmake
@@ -1251,7 +1251,7 @@ list(APPEND SOURCE_MSVCRT
 #    wcstok_s.c
 #    wcstol.c
 #    wcstombs.c
-    wcstombs_s.c
+#    wcstombs_s.c Not exported in 2k3 Sp1
 #    wcstoul.c
 #    wcsxfrm.c
 #    wctob
diff --git a/rostests/apitests/crt/testlist.c b/rostests/apitests/crt/testlist.c
index 765857d783f..13670f0200a 100644
--- a/rostests/apitests/crt/testlist.c
+++ b/rostests/apitests/crt/testlist.c
@@ -4,7 +4,6 @@
 #include <apitest.h>
 
 #if defined(TEST_MSVCRT)
-extern void func_wcstombs_s(void);
 extern void func__vscprintf(void);
 extern void func__vscwprintf(void);
 #endif
@@ -30,7 +29,6 @@ const struct test winetest_testlist[] =
 #endif
 #if defined(TEST_STATIC_CRT)
 #elif defined(TEST_MSVCRT)
-    { "wcstombs_s", func_wcstombs_s },
     { "_vscprintf", func__vscprintf },
     { "_vscwprintf", func__vscwprintf },
 #elif defined(TEST_NTDLL)