diff --git a/mailnews/compose/src/nsMsgSend.cpp b/mailnews/compose/src/nsMsgSend.cpp
index f4438b1321b..5679ecd0587 100644
--- a/mailnews/compose/src/nsMsgSend.cpp
+++ b/mailnews/compose/src/nsMsgSend.cpp
@@ -2321,19 +2321,6 @@ nsMsgComposeAndSend::AddCompFieldLocalAttachments()
               m_attachments[newLoc].mTmpFile->Remove(PR_FALSE);
             m_attachments[newLoc].mTmpFile =nsnull;
           }
-          if (!NS_IsNativeUTF8())
-          {
-            // XXX : this is really hackish.
-            // File URL is now in UTF-8 (bug 278161), but nsFileSpec still uses
-            // the native encoding.
-            NS_UnescapeURL(url);
-            NS_ASSERTION(IsUTF8(url), "unescaped url must be in UTF-8");
-            nsCAutoString nativeUrl;
-            NS_CopyUnicodeToNative(NS_ConvertUTF8toUTF16(url), nativeUrl);
-            url.Truncate(); // NS_EscapeURL will append to |url|
-            NS_EscapeURL(nativeUrl.get(), -1, esc_FilePath | esc_AlwaysCopy,
-                         url);
-          }
           nsresult rv;
           nsCOMPtr<nsIIOService> ioService = do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
           NS_ENSURE_SUCCESS(rv, rv);