diff --git a/bigchaindb/events.py b/bigchaindb/events.py
index a061ad50..bc448ce3 100644
--- a/bigchaindb/events.py
+++ b/bigchaindb/events.py
@@ -7,14 +7,14 @@ class EventTypes(Enum):
     BLOCK_INVALID = 2
 
 
-class Event(object):
+class Event:
 
     def __init__(self, event_type, event_data):
         self.type = event_type
         self.data = event_data
 
 
-class EventHandler(object):
+class EventHandler:
 
     def __init__(self, events_queue):
         self.events_queue = events_queue