--- a/toolkit/xre/nsUpdateDriver.cpp
+++ b/toolkit/xre/nsUpdateDriver.cpp
@@ -497,29 +497,25 @@ ProcessUpdates(nsIFile *greDir, nsIFile 
                int argc, char **argv, const char *&appVersion)
 {
   nsresult rv;
 
   nsCOMPtr<nsIFile> updatesDir;
   rv = updRootDir->Clone(getter_AddRefs(updatesDir));
   if (NS_FAILED(rv))
     return rv;
+
   rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("updates"));
   if (NS_FAILED(rv))
     return rv;
 
   rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("0"));
   if (NS_FAILED(rv))
     return rv;
 
-  PRBool exists;
-  rv = updatesDir->Exists(&exists);
-  if (NS_FAILED(rv) || !exists)
-    return rv;
-
   nsCOMPtr<nsILocalFile> statusFile;
   if (GetStatusFile(updatesDir, statusFile) && IsPending(statusFile)) {
     nsCOMPtr<nsILocalFile> versionFile;
     // Remove the update if the update application version file doesn't exist
     // or if the update's application version is less than the current
     // application version.
     if (!GetVersionFile(updatesDir, versionFile) ||
         IsOlderVersion(versionFile, appVersion)) {