No need for RTTI

binding.gyp

@@ -62,7 +62,6 @@
             ],
             'OTHER_LDFLAGS': [],
             'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
-            'GCC_ENABLE_CPP_RTTI': 'YES',
             'MACOSX_DEPLOYMENT_TARGET': '10.7'
           }
         }],
@@ -70,7 +69,6 @@
           'msvs_settings': {
             'VCCLCompilerTool': {
               'AdditionalOptions': [
-                '/GR',
                 '/EHsc'
               ]
             }