diff --git a/tests/file/filetest.cpp b/tests/file/filetest.cpp
index 85e70ab8e6..446a59fa8d 100644
--- a/tests/file/filetest.cpp
+++ b/tests/file/filetest.cpp
@@ -34,15 +34,19 @@ public:
 
 private:
     CPPUNIT_TEST_SUITE( FileTestCase );
+#if wxUSE_UNICODE
         CPPUNIT_TEST( RoundTripUTF8 );
         CPPUNIT_TEST( RoundTripUTF16 );
         CPPUNIT_TEST( RoundTripUTF32 );
+#endif // wxUSE_UNICODE
         CPPUNIT_TEST( TempFile );
     CPPUNIT_TEST_SUITE_END();
 
+#if wxUSE_UNICODE
     void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
     void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
     void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
+#endif // wxUSE_UNICODE
 
     void DoRoundTripTest(const wxMBConv& conv);
     void TempFile();
@@ -61,6 +65,8 @@ CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
 // tests implementation
 // ----------------------------------------------------------------------------
 
+#if wxUSE_UNICODE
+
 void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
 {
     TestFile tf;
@@ -83,17 +89,12 @@ void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
         CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
 
         wxWCharBuffer wbuf(conv.cMB2WC(buf));
-#if wxUSE_UNICODE
         CPPUNIT_ASSERT_EQUAL( data, wbuf );
-#else // !wxUSE_UNICODE
-        CPPUNIT_ASSERT
-        (
-            memcmp(wbuf, L"Hello\0UTF", data.length()*sizeof(wchar_t)) == 0
-        );
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
     }
 }
 
+#endif // wxUSE_UNICODE
+
 void FileTestCase::TempFile()
 {
     wxTempFile tmpFile;