diff --git a/to-rpz/host_rpz_argv.py b/to-rpz/host_rpz_argv.py
index e8b5670..def6518 100644
--- a/to-rpz/host_rpz_argv.py
+++ b/to-rpz/host_rpz_argv.py
@@ -16,9 +16,6 @@ with open(infile) as f:
         file[i] = re.sub('^::1 ', '' ,file[i])
         file[i] = re.sub('^127.0.0.1', '', file[i])
         file[i] = re.sub('^0.0.0.0', '', file[i])
-        file[i] = re.sub('^0', '', file[i])
-        file[i] = re.sub('^::', '', file[i])
-        file[i] = re.sub('^::1', '' ,file[i])
 with open(infile, 'w') as f1:
     f1.writelines(["%s\n" % item  for item in file])
 f.close()