diff --git a/src/common/ftp.cpp b/src/common/ftp.cpp
index 4dca4bddc2..e253956890 100644
--- a/src/common/ftp.cpp
+++ b/src/common/ftp.cpp
@@ -237,7 +237,7 @@ char wxFTP::SendCommand(const wxString& command)
 
     wxString tmp_str = command + wxT("\r\n");
     const wxWX2MBbuf tmp_buf = tmp_str.mb_str();
-    if ( Write(wxMBSTRINGCAST tmp_buf, strlen(tmp_buf)).Error())
+    if ( Write(static_cast<const char *>(tmp_buf), strlen(tmp_buf)).Error())
     {
         m_lastError = wxPROTO_NETERR;
         return 0;
diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp
index 32b6830eca..1754ac83a9 100644
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -2336,7 +2336,7 @@ void wxPostScriptDCImpl::DoGetTextExtent(const wxString& string,
 
     long sum=0;
     float height=fontSize; /* by default */
-    unsigned char *p=(unsigned char *)wxMBSTRINGCAST strbuf;
+    const unsigned char *p=reinterpret_cast<const unsigned char *>(static_cast<const char *>(strbuf));
     if(!p)
     {
         // String couldn't be converted which used to SEGV as reported here: