diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index 80c870d8b8..d26964413a 100644
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -196,7 +196,7 @@ const off_t wxInvalidOffset = (off_t)-1;
 // implementation
 // ============================================================================
 
-#if defined(__WXMAC__) && !defined(__DARWIN__) && !defined(wxUSE_UNICODE)
+#if defined(__WXMAC__) && !defined(__DARWIN__) && !wxUSE_UNICODE
 
 WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf )
 {
diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index d8772fce24..230a9338ac 100644
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -1205,7 +1205,7 @@ WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
 }
 #endif // wxNEED_WX_STRING_H
 
-#if defined(__WXMAC__) && !defined(__DARWIN__) && !defined(wxUSE_UNICODE)
+#if defined(__WXMAC__) && !defined(__DARWIN__) && !wxUSE_UNICODE
 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
 {
     return fopen( wxMacStringToCString(path), mode );
@@ -1305,7 +1305,7 @@ wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
     // printf( "home %s\n", val );
 
     // convert it,
-#ifdef wxUSE_UNICODE
+#if wxUSE_UNICODE
     data = (wxObject *)new wxString(val, wxConvLocal);
 #else
     data = (wxObject *)new wxString(val);