diff --git a/libstdc++-v3/testsuite/22_locale/codecvt_unicode_char.cc b/libstdc++-v3/testsuite/22_locale/codecvt_unicode_char.cc
index fef0c3dbc06..86fbc69376a 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt_unicode_char.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt_unicode_char.cc
@@ -25,6 +25,8 @@
 
 using namespace std;
 
+#ifdef _GLIBCPP_USE_WCHAR_T
+
 /*
 > how do I check that these conversions are correct? 
 Very easy.  Since all the characters are from ASCII you simply
@@ -224,10 +226,14 @@ void test02()
   delete [] i_arr;
 }
 
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
+
 int main ()
 {
+#if _GLIBCPP_USE_WCHAR_T
   test01();
   test02();
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt_unicode_wchar_t.cc b/libstdc++-v3/testsuite/22_locale/codecvt_unicode_wchar_t.cc
index 8f894cccea5..606c7168b57 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt_unicode_wchar_t.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt_unicode_wchar_t.cc
@@ -25,6 +25,8 @@
 
 using namespace std;
 
+#ifdef _GLIBCPP_USE_WCHAR_T
+
 void
 initialize_state(__enc_traits& state)
 { state._M_init(); }
@@ -118,10 +120,13 @@ void test01()
   delete [] e_arr;
   delete [] i_arr;
 }
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
 int main ()
 {
+#if _GLIBCPP_USE_WCHAR_T
   test01();
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctor_copy_dtor.cc b/libstdc++-v3/testsuite/22_locale/ctor_copy_dtor.cc
index 64433ee28b6..0c723bf624b 100644
--- a/libstdc++-v3/testsuite/22_locale/ctor_copy_dtor.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctor_copy_dtor.cc
@@ -25,6 +25,8 @@
 #include <stdexcept>
 #include <debug_assert.h>
 
+#if _GLIBCPP_USE_WCHAR_T
+
 typedef std::codecvt<char, char, std::mbstate_t> 		c_codecvt;
 typedef std::codecvt_byname<char, char, std::mbstate_t> 	c_codecvt_byname;
 typedef std::codecvt<wchar_t, char, std::mbstate_t>		w_codecvt;
@@ -160,10 +162,13 @@ void test01()
   
 
 }
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
 int main ()
 {
+#if _GLIBCPP_USE_WCHAR_T
   test01();
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype_wchar_t_members.cc b/libstdc++-v3/testsuite/22_locale/ctype_wchar_t_members.cc
index ad8452ac397..f4a104e25ce 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype_wchar_t_members.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype_wchar_t_members.cc
@@ -33,6 +33,7 @@
 // NB: Don't include any other headers in this file.
 #include <debug_assert.h>
 
+#if _GLIBCPP_USE_WCHAR_T
 class gnu_ctype: public std::ctype<wchar_t> {};
 
 void test01()
@@ -96,9 +97,12 @@ void test01()
   assert(test);
 #endif
 }
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
 
 int main() {
+#if _GLIBCPP_USE_WCHAR_T
   test01();
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
   return 0;
 }