diff --git a/homeassistant/components/notify/aws_lambda.py b/homeassistant/components/notify/aws_lambda.py
index 28fedf6434d..17df1ba8f5a 100644
--- a/homeassistant/components/notify/aws_lambda.py
+++ b/homeassistant/components/notify/aws_lambda.py
@@ -39,8 +39,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
 
 def get_service(hass, config, discovery_info=None):
     """Get the AWS Lambda notification service."""
-    context_str = json.dumps({'hass': hass.config.as_dict(),
-                              'custom': config[CONF_CONTEXT]}, cls=JSONEncoder)
+    context_str = json.dumps({'custom': config[CONF_CONTEXT]}, cls=JSONEncoder)
     context_b64 = base64.b64encode(context_str.encode('utf-8'))
     context = context_b64.decode('utf-8')