diff --git a/platypush/plugins/shell/__init__.py b/platypush/plugins/shell/__init__.py
index 02d724ed..452d9645 100644
--- a/platypush/plugins/shell/__init__.py
+++ b/platypush/plugins/shell/__init__.py
@@ -1,6 +1,5 @@
 import subprocess
 
-from platypush.message.response import Response
 from platypush.plugins import Plugin, action
 
 
diff --git a/platypush/plugins/tts/__init__.py b/platypush/plugins/tts/__init__.py
index 893dc18f..cc7eb26a 100644
--- a/platypush/plugins/tts/__init__.py
+++ b/platypush/plugins/tts/__init__.py
@@ -1,7 +1,6 @@
 import subprocess
 import urllib.parse
 
-from platypush.message.response import Response
 from platypush.plugins import Plugin, action
 
 class TtsPlugin(Plugin):