diff --git a/Lib/c/std_string.i b/Lib/c/std_string.i
index f3c6d8a3a..c5e47cb5c 100644
--- a/Lib/c/std_string.i
+++ b/Lib/c/std_string.i
@@ -27,8 +27,6 @@ class string;
 %typemap(proxycouttype) const string & "char *"
 %typemap(cppouttype, retobj="1") string "std::string*"
 %typemap(cppouttype) const string &, string *, string & "std::string*"
-%typemap(wrap_call) string ""
-%typemap(wrap_call) const string &, string*, string& ""
 
 %typemap(in) string {
   if ($input) {