diff --git a/pytrustnfe/HttpClient.py b/pytrustnfe/HttpClient.py
index 0ac3407..bbb4910 100644
--- a/pytrustnfe/HttpClient.py
+++ b/pytrustnfe/HttpClient.py
@@ -4,7 +4,7 @@ Created on Jun 16, 2015
 
 @author: danimar
 '''
-from httplib import HTTPSConnection, HTTPResponse
+from httplib import HTTPSConnection
 
 class HttpClient(object):
     
diff --git a/pytrustnfe/servicos/Comunicacao.py b/pytrustnfe/servicos/Comunicacao.py
index 246c724..2fc92e9 100644
--- a/pytrustnfe/servicos/Comunicacao.py
+++ b/pytrustnfe/servicos/Comunicacao.py
@@ -11,7 +11,6 @@ from pytrustnfe.HttpClient import HttpClient
 from pytrustnfe.Certificado import converte_pfx_pem
 
 import logging
-from logilab.common.registry import objectify_predicate
 logging.basicConfig(level=logging.INFO)
 logging.getLogger('suds.client').setLevel(logging.DEBUG)
 logging.getLogger('suds.transport').setLevel(logging.DEBUG)