diff --git a/Lib/ruby/std_basic_string.i b/Lib/ruby/std_basic_string.i
index a51333793..4435b220d 100644
--- a/Lib/ruby/std_basic_string.i
+++ b/Lib/ruby/std_basic_string.i
@@ -47,6 +47,9 @@ SWIGINTERNINLINE VALUE
   }
 }
 
+%ignore std::basic_string::operator!=;
+%ignore std::basic_string::operator+=;
+
 %include <std/std_basic_string.i>
 %typemaps_asptrfromn(%checkcode(STRING), std::basic_string<char>);
 
diff --git a/Lib/ruby/std_string.i b/Lib/ruby/std_string.i
index cac4324f0..f9ecd8e8a 100644
--- a/Lib/ruby/std_string.i
+++ b/Lib/ruby/std_string.i
@@ -1,7 +1,5 @@
 
-%warnfilter(801) std::string;  // wrong class name
-%warnfilter(378) std::basic_string::operator!=;
-
+%warnfilter(SWIGWARN_RUBY_WRONG_NAME) std::basic_string<char>;
 
 AUTODOC(substr, "Return a portion of the String");
 
diff --git a/Lib/ruby/std_wstring.i b/Lib/ruby/std_wstring.i
index f2487077b..2b633438e 100644
--- a/Lib/ruby/std_wstring.i
+++ b/Lib/ruby/std_wstring.i
@@ -45,6 +45,8 @@ static rb_encoding *swig_ruby_internal_encoding;
   swig_ruby_internal_encoding = rb_enc_find( SWIG_RUBY_INTERNAL_ENCODING );
 }
 
+%warnfilter(SWIGWARN_RUBY_WRONG_NAME) std::basic_string<wchar_t>;
+
 %include <rubywstrings.swg>
 %include <typemaps/std_wstring.swg>