diff --git a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
index 3856774e3cb..cca1ac6d0ff 100644
--- a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
+++ b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
@@ -301,9 +301,6 @@ nsresult nsDateTimeFormatMac::Initialize(nsILocale* locale)
       if (NS_SUCCEEDED(res)) {
         mCharset = mappedCharset;
       }
-      
-      // get a system charset (used when getting date/time strings as default)
-      res = platformCharset->GetCharset(kPlatformCharsetSel_FileName, mSystemCharset);      
     }
   }
 
@@ -312,8 +309,7 @@ nsresult nsDateTimeFormatMac::Initialize(nsILocale* locale)
   nsCOMPtr <nsICharsetConverterManager>  charsetConverterManager;
   charsetConverterManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
   if (NS_SUCCEEDED(res)) {
-    res = charsetConverterManager->GetUnicodeDecoder(mUseDefaultLocale ? mSystemCharset.get() : 
-                                                     mCharset.get(), 
+    res = charsetConverterManager->GetUnicodeDecoder(mCharset.get(),
                                                      getter_AddRefs(mDecoder));
   }
   
diff --git a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.h b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.h
index d76bbd0a7c5..54be53f1b07 100644
--- a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.h
+++ b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.h
@@ -88,7 +88,6 @@ private:
   nsString    mLocale;
   nsString    mAppLocale;
   nsCString   mCharset;
-  nsCString   mSystemCharset;
   short       mScriptcode;
   short       mLangcode;
   short       mRegioncode;