diff --git a/Lib/typemaps/strings.swg b/Lib/typemaps/strings.swg
index 7c5f59ae2..0769fe221 100644
--- a/Lib/typemaps/strings.swg
+++ b/Lib/typemaps/strings.swg
@@ -577,8 +577,6 @@ SWIG_AsVal_dec(Char)(SWIG_Object obj, Char *val)
 }
 }
 
-%typemaps_asvalfromn(CharCode, Char);
-
 %_typemap_string(StringCode, 
 		 Char,
 		 SWIG_AsCharPtrAndSize,