diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index 23e685dd2d..896cd12db0 100644
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -74,13 +74,7 @@ protected:
 
     static void** AllocTable( size_t sz )
     {
-#ifdef __WXWINCE__
-        void** ptr = (void **)malloc(sz * sizeof(void*));
-        memset( ptr, 0, sz * sizeof(void*));
-        return ptr;
-#else
         return (void **)calloc(sz, sizeof(void*));
-#endif
     }
 };
 
diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index 5cac45dfc9..9a30e286fa 100644
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -927,6 +927,14 @@ WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
                                   const wxChar *fmt, const struct tm *tm);
 #endif // wxNEED_WX_TIME_H
 
+// missing functions in WinCE
+#ifdef __WXWINCE__
+WXDLLIMPEXP_BASE char* strdup(const char* s);
+WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
+WXDLLIMPEXP_BASE int isspace(int c);
+WXDLLIMPEXP_BASE int isascii( int c );
+#endif
+
 // ----------------------------------------------------------------------------
 // multibyte to wide char conversion functions and macros
 // ----------------------------------------------------------------------------
diff --git a/src/common/string.cpp b/src/common/string.cpp
index 964324306b..c43bde8e7d 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -1013,10 +1013,6 @@ wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)
   return uiCount;
 }
 
-#ifdef __WXWINCE__
-inline int isascii(wxChar c) { return (c >= 0) && (c <=127); }
-#endif
-
 bool wxString::IsAscii() const
 {
   const wxChar *s = (const wxChar*) *this;
diff --git a/src/common/valtext.cpp b/src/common/valtext.cpp
index 0b8f2b0ecc..2c2b1f0094 100644
--- a/src/common/valtext.cpp
+++ b/src/common/valtext.cpp
@@ -229,10 +229,6 @@ void wxTextValidator::SetExcludeList(const wxStringList& list)
     m_excludeList = list;
 }
 
-#ifdef __WXWINCE__
-inline int isascii(wxChar c) { return (c >= 0) && (c <=127); }
-#endif
-
 void wxTextValidator::OnChar(wxKeyEvent& event)
 {
 /*
diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index 02ca10af2f..326c34dbe6 100644
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -1408,3 +1408,31 @@ int isascii( int c )
 }
 #endif // __MWERKS__
 
+#ifdef __WXWINCE__
+char* strdup(const char* s)
+{
+    char *dest = (char*) malloc( strlen( s ) + 1 ) ;
+    if ( dest )
+        strcpy( dest , s ) ;
+    return dest ;
+}
+
+void *calloc( size_t num, size_t size )
+{
+    void** ptr = (void **)malloc(num * size);
+    memset( ptr, 0, num * size);
+    return ptr;
+}
+
+int isspace(int c)
+{
+    return (c == ' ');
+}
+
+int isascii( int c )
+{
+        return ( c >= 0 && c < 128 ) ;
+}
+#endif
+
+
diff --git a/src/common/xpmdecod.cpp b/src/common/xpmdecod.cpp
index 70c19c20ae..4b4e47e045 100644
--- a/src/common/xpmdecod.cpp
+++ b/src/common/xpmdecod.cpp
@@ -119,20 +119,6 @@ license is as follows:
 
 #include "wx/xpmdecod.h"
 
-#ifdef __WXWINCE__
-char* strdup(const char* s)
-{
-    char* s2 = new char[strlen(s)];
-    strcpy(s2, s);
-    return s2;
-}
-
-bool isspace(char c)
-{
-    return (c == ' ');
-}
-#endif
-
 #if wxUSE_STREAMS
 bool wxXPMDecoder::CanRead(wxInputStream& stream)
 {